Department of Computer Science FINAL EXAMINATION Test № 1 6 A B C D E The brain of any computer system is ALU Memory CPU Control unit None of these 7 A computer program that converts assembly language to machine language is A B C D E What difference does the 5th generation computer have from other generation computers? Technological advancement Scientific code Object Oriented Programming All of these None of these A B C D E Compiler Assembler Interpreter Comparator None of these The tracks on a disk which can be accessed without repositioning the R/W heads is 8 A B C D E The time required for the fetching and execution of one simple machine instruction is Delay time Real time CPU cycle Seek time None of these A B C D E Binary numbers need more places for counting because Binary base is small Any no. of 0's can be added in front of them They are always big numbers 0's and l's have to be properly spaced apart None of these 1 2 3 A B C D E A B C D E Surface Cylinder Cluster All of these None of these 9 A B C D E Which of the following is the 1's complement of 10? 10 110 11 01 None of these 10 A B C D E Which part interprets program instructions and initiate control operations. Control unit Storage unit Input Logic unit None of these 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 1 The binary system uses powers of 16 10 8 2 None of these Which computer has been designed to be as compact as possible? Mainframe Super computer Mini Micro computer None of these 11 A B C D E 12 A B C D E Which of the following is still useful for adding numbers? Abacus EDSAC ENIAC UNIVAC None of these 16 A general purpose single-user microcomputer designed to be operated by one person at a time is KIPS Special-purpose computer PC M None of these 17 A B C D E A B C D E The list of coded instructions is called Algorithm Computer program Flowchart Utility programs None of these The first mechanical calculating machine was made by Gottfried Leibnitz William Oughtred Charles Babbage Blaise Pascal None of these 13 ASCII stands for A American standard code for information interchange B All purpose scientific code for information interchange C American security code for information interchange D American Scientific code for information interchange E None of these 18 Multiplication of 1112 by 1012 is A 000101 B 110011 C 111100 D 100011 E None of these 14 Which device of computer operation dispenses with the use of the keyboard? Joystick Mouse Light pen Touch None of these 19 Which output device is used for translating information from a computer into pictorial form on paper. Plotter Mouse Touch panel Card punch None of these 20 A B C D E 15 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 2 Conversion of an octal number 20 to its binary number is 10111 10001 10000 10110 None of these Which of the following can be output by a computer? text graphics voice All of these computer-usable data or information 21 Who is called the "grandfather" of the computer? Joseph Jacquard Blaise Pascal Charles Babbage Dr. Herman Hollerith None of these 26 Which company is the biggest player in the microprocessor industry? A Motorola B Intel C IBM D Cyrix E AMD 27 A B C D E 22 23 A B C D E 24 A B C D E 25 A B C D E A B C D E Third generation computers A Used transistors instead of vacuum tubes B Were the first to use built-in error detecting devices C Were the first to use integrated circuitry D All of these E None of these The OR, XOR & AND functions can be performed by _____ of the computer in a CPU. Memory CU ALU Register None of these 28 The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes. Kilobyte Megabyte Gigabyte Terabyte None of these 29 Which of the following memories must be refreshed many times per second? Static RAM Dynamic RAM EPROM ROM None of these 30 F ENU 703-07-15. Examination test. The fifth edition 1 The third generation of computers covers the period: 1965-1970 1971-1982 1982-1994 1959-1964 1995-now A s C D E A B C D E A B C D E 3 What is the number of bit patterns provided by a 7-bit code? 64 128 256 512 None of these First generation computers are characterized by Minicomputers Vacuum tubes and magnetic drum Magnetic tape and transistors All of these None of these Which of the following input/output devices is not associated with personal computers? punched cards mice color monitors dot-matrix printers optical scanners 31 A B C D E 32 A B C D E 33 A B C D E 34 A B C D E 35 A B C D E A central computer surrounded by one or more satellite computers is called a ring network bus network star network All of these None of these 36 A notation used to express clearly on algorithm is known as Assembly language Algorithmic language Machine language High level language None of these 37 Which printer uses a combination of laserbeam & electro photographic techniques. Laser printers Dot-Matrix Line printer Daisy wheel None of these 38 The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as CPU Control Unit I/O unit Peripheral unit None of these 39 Who is the creator of the PASCAL language? Basic Pascal Dijkstra Donald Knuth Niklaus Wirth None of these 40 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E A B C D E A B C D E 4 Continuous line drawing is produced using Daisy wheel printers Chain printers Thermal devices Plotters None of these The arranging of data in a logical sequence is called: reproducing classifying sorting summarizing None of these Conversion of an octal number 256 to binary number is 10101110 11101010 1011001 10110011 None of these The transistorized computer circuits were introduced in the First generation Second generation Third generation Fourth generation Fifth generation A memory bus is mainly used for communication between processor and memory processor and I/O devices I/O devices and memory input device and output device None of these Department of Computer Science FINAL EXAMINATION Test № 2 1 6 A B C D E A hard disk is divided into tracks which are further subdivided into: clusters sectors vectors heads None of these 7 A B C D E What is the highest binary number that can be referred to on a three position jumper block? 1 4 6 F None of these 8 A B C D E A memory that does not change its contents without external causes is known as Dynamic memory Static memory RAM EEPROM None of these 2 3 4 A B C D E Which of the following is not currently a topic in computer science? Artificial intelligence Speech recognition Thermodynamics Multiprocessing None of these A B C D E A B C D E The two kinds of main Memory are: ROM and RAM Primary and secondary Random and sequential All of these None of these A B C D E The ALU of a computer normally contains a number of high speed storage elements called semiconductor memory registers hard disk magnetic disk None of these 9 A B C D E 5 A B C D E The organization and interconnection of the various components of a computer system is Designing Networks Graphics Architecture None of these A modern electronic computer is a machine 10 that is meant for A Input storage, manipulation of outputting of data B Doing quick mathematical calculations Electronic data processing C Performing repetitive tasks accurately D None of these E F ENU 703-07-15. Examination test. The fifth edition 1 5 A billionth of a second is defined as a: picoseconds millisecond microsecond nanosecond None of these Conversion of binary number 1010 1010 0001 0111 to hexadecimal number is D8F9 AA17 A8B9 D9F8 None of these 11 A B C D E 12 A B C D E 13 A B C D E 14 A B C D E Who is credited with the idea of using punch cards to control patterns in a weaving machine? Jacquard Pascal Hollerith Babbage None of these 16 Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost buffer static disk space power None of these 17 The central processor of a modern digital computer consists of control unit control unit and primary memory primary memory All of these None of these 18 A temporary storage area, attached to the CPU, for I/O operations is a: buffer chip register core None of these 19 15 A B C D E A B C D E A B C D E A B C D E A B C D E 20 The person contributing the idea of the stored program was Charles Babbage John von Neumann Howard Aiken Basic Pascal None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 6 A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as PC Mini computer Micro computer Super computer None of these Which of the following is not a part of the CPU storage unit program unit arithmetic and logic unit control unit None of these The binary equivalent of the Octal number 13.54 is 1011.1011 1001.111 1101.111 1111.1011 None of these Transistorized computer circuits were introduced in the first generation second generation third generation fourth generation None of these Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM clones duplicates copies look a likes None of these 21 A B C D E The invention of the slide rule is attributed to Napier Babbage Pascal Oughtred None of these 22 A B C D E 24 A B C D E 25 A B C D E A B C D E 27 The control unit of a microprocessor stores data in the memory accepts input data from a keyboard Performs arithmetic / logic / functions All of these None of these 23 A B C D E 26 A B C D E 28 The desirable characteristic(s) of a memory system is (are) speed and reliability low power consumption durability and compactness All of these None of these A B C D E Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called? Conductors Buses Connectors Connectively None of these 29 Which of the following typically uses a keyboard for input? financial transaction terminal desktop terminal point-of-sale terminal All of these executive workstation 30 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 7 The microelectronics is the technology of chips microwaves microcomputers automatic processing None of these Conversion of hexadecimal number 1D7F to a decimal number is 7551 8771 5557 7781 None of these In the language of the computer profession, one thousand position of main storage is represented with the letter K P M G T The monitor of a computer is connected to it by a Cable Wire Bus Line driver Modem A single bus structure is primarily found in Main frames Mini-and micro-computers Super computers High performance machines None of these 31 A B C D E Everything computer does is controlled by its CPU RAM ROM Storage devices None of these 32 A B C D E 36 A B C D E 37 A collection of eight bits is called Byte Word Record File None of these A B C D E Conversion of a hexadecimal number 5BC to binary number is 1100110010 10111011100 1100011011 1010001100 None of these The equipment with which the computer talks to its users is called a peripheral word processor software diskette None of these 33 A B C D E Each model of a computer has a unique Assembly language Machine language High level language All of these None of these 38 A B C D E The term gigabyte refers to 1024 megabytes 1024 bytes 1024 kilobytes 1024 gigabytes None of these 34 The most common input device used today is Keyboard Motherboard Track ball Scanner Mouse 39 Group of instructions that directs a computer is called Program Storage Memory Logic None of these The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device? Laser scanner Wand OCR MICR None of these 40 A B C D E 35 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 8 A 32 bit microprocessor has the word length equal to 3 bytes 8 bytes 4 bytes 32 bytes None of these Department of Computer Science FINAL EXAMINATION Test № 3 1 6 A B C D E A computer-controlled device for training exercises that duplicates the work environment is a: duplicator simulator trainer COM device None of these 7 A B C D E Which of the following is not an output device of a computer? Keyboard Printer Monitor Speakers None of these 8 A B C D E Which of the following is not an input device of a computer? Mouse Keyboard Printer Laser Scanner None of these A B C D E The first electro-mechanical computer "automatically performing of arithmetical and logical operations" ENIAC Mark I Analytic engine UNIVAC-I None of these A B C D E The first electronics digital computer "automatically performing of arithmetical and logical operations" ILLIAC ENIAC EDSAC Mark I None of these 2 3 4 A B C D E Floppy disks which are made from flexible plastic material are also called? diskettes hard disks high-density disks templates None of these A B C D E A B C D E All calculations are performed and all comparisons are made in _____ unit. arithmetic-logic unit control unit writing unit primary storage unit None of these A B C D E The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called ASCII EBCDII BCD All of these None of these 9 5 F ENU 703-07-15. Examination test. The fifth edition 1 10 A B C D E 9 The 0 and 1 in the binary numbering system are called binary digits or _____ bits bytes kilobytes decimal bytes nibbles The computer translates the condition of each switch to a number. What number is represented by the OFF state? 0 -3.75 2 1 11 11 A B C D E How many bits can be stored in the 8K RAM? 8192 8000 4000 4096 None of these 12 A B C D E 16 A B C D E 17 Which of the following is a part of the Central Processing Unit? Arithmetic Logic Unit Printer Keyboard Mouse None of these A B C D E 13 A B C D E The input unit of a computer retrieves data from CPU feeds data to the CPU or memory directs all other units All of these None of these 18 A B C D E 14 What is the name of the computer terminal which gives paper printout? Hard copy terminal Display screen Soft copy terminal Plotter None of these 19 In the IBM PC-AT, what do the words AT stand for? Additional terminals Advance technology Applied technology Advanced terminology None of these 20 A B C D E 15 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 10 The binary equivalent of the Hexadecimal number 7BD is 11110111101 111010111101 101110111101 10111011111 None of these Which of the following isn't used in the storage phase of a computer-based information system? Diskette Magnetic Keyboard Hard disk None of these While buying a PC system, you should first define your computing needs ? shop for application programs identify your hardware components call for tenders None of these Which of the following is true? Fields are composed of characters Fields are composed of bytes Files are composed of records All of these Records are composed of fields A modern digital computer has almost unlimited accuracy extremely high speed large memory All of these None of these 21 A B C D E 22 A B C D E 23 A B C D E 24 A B C D E 25 A B C D E 26 The computer code for the interchange of information between terminals is BCD ASCII EBCDIC All of these None of these A B C D E To produce high-quality graphics 27 (hardcopy) in colour, you would want to use a(n) A plotter RGB monitor B ink-jet printer C laser printer D None of these E The language that the computer can understand and execute is called Application software Machine language System program All of these None of these 28 The basic components of a modern digital computer are: Central processor Input device Output device All of these None of these 29 A beam of light used to record and retrieve data on optical disks is known as polarized light Laser unpolarized concentric light coloured light None of these 30 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E 11 The computer translates the condition of each switch to a number. What number is represented by the ON state? 2 0 7 1 22 A generalized software package produced to meet the bugs of a variety of data processing users is known as System software Utility programs Application package Operating system None of these Programs designed to perform specific tasks is called known as Application software System software Utility programs Operating system None of these A software package to perform calculations on data arranged in an array is Application programs System software Electronic spread sheet Utility programs None of these What is the alternative name for a diskette? Floppy disk Hard disk Flexible disk Winchester disk None of these 31 A B C D E 36 Which of the following is NOT a function of the operating system? Booting Provides a user interface Configures hardware devices Manages memory All of these A B C D E This term describes the process of automatically installing a device driver when new hardware is plugged into the computer Plug and Play Soft boot Virtual memory Driver Booting 32 Windows can run A Four applications only B One application only C Two applications only D All of these E Seven applications only 37 Multiprogramming system A Execute more jobs in the same time period B Are easier to develop than single programming system C Execute each job faster D Are used only one large mainframe computers E None of these 33 Linux is based on which other operating system? UNIX Windows Mac OS X Chrome OS DOS 38 Google Android is best classified as one of the fastest growing of these mobile operating systems desktop operating systems network operating systems stand-alone operating systems DOS 39 Which is built directly on the hardware? Application Software Computer Environment Operating System Database System None of these 40 A B C D E A B C D E 34 A B C D E 35 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 12 Which of the following operating system does not implement multitasking? MS DOS Windows NT Windows 98 Windows XP Windows 10 Integrated circuit (ICs) as basic electronic component (SSIC and MSIC) Second Generation of Computers Fourth Generation of Computers Third Generation of Computers First Generation of Computers Fifth Generation Fourth Generation of Computers 1965-1970 1971-1981 1981-Onward 1946-1959 None of these Department of Computer Science FINAL EXAMINATION Test № 4 1 A B C D E This type of program allows communication 6 What type of memory is not directly between a peripheral device, such as a addressable by the CPU and requires special mouse or printer, and the rest of the software called EMS (expanded memory computer system specification)? A Extended Device driver Client B Expanded Server C Conventional Virtual machine D Base None of these E Basic system A B C D E The physical components of a computer system is Software Human ware Firm ware Hardware None of these 8 A B C D E A device used to bring information into a computer is ALU Control unit Input device Output device None of these 9 A B C D E The pieces of equipment which are attached to the CPU of a computer and which it can access are called control units disk drive hardware output devices peripherals 10 A B C D E Mechanical device: Which are handoperated Abacus Card reader Card stored Transistors Chips 2 7 3 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 Electro-mechanical device: Which are powered by an electric motor and use switches and relays Card reader Abacus Transistors Chips None of these A B C D E A B C D E Electronic device: Which have such components as Abacus Card reader Chips Card stored None of these A B C D E Electro-mechanical device: Which are powered by an electric motor and use switches and relays Card stored Abacus Transistors Chips Slide rule A B C D E 13 Mechanical device: Which are handoperated Card reader Card stored Chips Slide rule Transistors 11 A B C D E 12 Electronic device: Which have such components as Abacus Card reader Card stored Transistors None of these 16 A B C D E Other components of a computer Input device Output device Peripheral devices System Unit Storage device Electronic device: Which have such components as Abacus Card stored Circuits Slide rule None of these 17 Electronic device: Which have such components as Chips Circuits Transistors All of these None of these 18 14 A B C D E Which of belongs Types of Computers Mini-Computers Supercomputers Mainframes All of these Personal Computers (PC) 19 A B C D E A group of 8 bits taken as a single unit Bit Byte Word All of these None of these 15 A B C D E The basic components of a computer System Unit Input device Output device All of these Storage device 20 A B C D E This is the fundamental unit of data Bit Byte Word All of these None of these A B C D E 13 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 14 Other components of a computer Communication devices Input device Output device System Unit Storage device The smallest unit of memory that is addressable Byte Bit Word All of these None of these 21 2-state switch values: 0/1 (e.g. true/false; off/on) 26 A A On B B Bit C Off D C D TRUE E None of these E 22 A B C D E 23 A B C D E 24 A B C D E 27 _________ proposed binary data processing (1945) Blaise Pascal Charles Babbage Gottfried Leibnitz John von Neumann William Oughtred John von Neumann model consists of which components Memory unit and Control unit Input unit and Output unit Arithmetic Logic Unit All of these None of these 28 In 1982 _________ proposed the idea of creating machines based on the laws of quantum mechanics instead of the laws of classical physics David Deutsch Feynman Lov Grover Peter Shor None of these 29 25 A B C D E A B C D E A B C D E A B C D E 30 The term FLOPS means Floating Per Second Floating Point Operation Per Second Floating Point Options Floating Point Second None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 15 Which of the following is true concerning personal computers? The electronic spreadsheet has been a primary reason for their popularity They decrease the demand for mainframe computers They have been most successful in the home Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes None of these Which of the following machines are characterised by electronic tube circuitry, delay line, rotating or electrostatic memory Fifth generation First generation Fourth generation Second generation Third generation The smallest logical data entity is called a data item or data Field Base Bank Collection None of these Conversion of a hexadecimal number 3D to binary number is 111101 110011 11000110 110001 None of these One million bytes of information is abbreviated as Bit GB KB MB None of these 31 A B C D E Which part of the computer were is used for calculating and comparing? ALU Disk unit Control unit Modem None of these 32 A B C D E 33 A B C D E 34 A B C D E 35 A B C D E 36 A B C D E 37 The computer program language which is widely used in computer science and engineering and also in business is COBOL FORTRAN LISP PASCAL None of these A B C D E Can you tell what passes into and out from the computer via its ports? Bytes Data Graphics Pictures None of these 38 What is the number of bit patterns provided by a 8-bit code? 254 127 64 508 None of these 39 Which is considered a direct entry input device? Light pen Optical scanner Mouse All of these Digitizer 40 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E 16 The process of writing computer instructions in a programming language is known as Coding Processing Programming File None of these What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds? Backing storage Buffer Main storage Temporary storage None of these Which of the following printer can be classified as a page-at-a-time printer? Dot-matrix printer Inkjet printer Laser printer Thermal printer None of these The decimal equivalent of the binary number 100101 is 28 33 37 46 73 The storage locations in the internal storage of a CPU are called addresses contents mask locations None of these Department of Computer Science FINAL EXAMINATION Test №5 1 A B C D E A database management system based on the concept of ownership is Network database system Network layer Network license system Network topology None of these 2 6 A B C D E 7 The term "memory" applies to which one of the following Control Input device Logic Storage None of these A B C D E The term MIPS refers to _____ millions of instructions per second multiple instructions per second megabytes of instructions per seconds millions input processor set multi-inductance processing system 8 A B C D E The primary memory of a personal computer consists of: Both ROM and RAM ROM only RAM only Memory module None of these 9 A B C D E A software package to implement a data base is DASD Database DBMS System analysis None of these 10 A B C D E Methods used to organise and physically store disk data are cylinder and Hib Sector Surface Track None of these 3 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E The working principles of today's computers were provided by an English mathematician Charles Babbage Donald Reach Dr. Hollerith Ken Reider None of these A B C D E In digital computer, all the expressions are coded into Binary digits Octal digits Hexadecimal digits Decimal digits None of these A B C D E 17 A dot-matrix printer cannot print alphabet has a speed of 1000 cps is an input device is an output device None of these Conversion of an octal number 106 to binary number is 1000110 1100110 1110010 10000110 None of these 11 Which functional component of a computer is responsible for the computing? 16 A A CPU B Input C Memory D Output E Storage 12 A B C D E 17 15 A B C D E A B C D E 18 No computer can do anything without a chip memory output device program None of these 14 A B C D E D E The two main components of the CPU is ALU and bus Control unit and ALU Control unit and registers Registers and main memory None of these 13 A B C D E B C A B C D E 19 The area of computer science which is concerned with the display of pictures is Architecture Designing Graphics Networks None of these What was the computer conceived by Babbage? Analytical Engine Arithmetic Machine Donald Knuth All of these None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 20 A B C D E 18 A microprocessor chip used in a PC system Almost always operates on by-bits of data at a time Is the only chip found in most PC models Performs the arithmetic-logic and control functions Performs the primary storage function None of these Conversion of an octal number 73 to binary number is 111011 10111 111100 110010 None of these Which of the following is a communication network that is devoted to carrying computer information Data module Data network Data pack Data point None of these Communication that involves computers, establishing a link through the telephone system is called Microprocessing Telecommunications Teleprocessing All of these None of these A processing unit that coordinates networks and data communication is known as Communications processor Control unit CPU Register unit None of these 21 A B C D E 22 26 A byte is comprised of: Eight bits Four bits One bit Sixteen bits None of these A B C D E Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards? Breadboard Daughterboard Fatherboard Motherboard None of these 27 23 A B C D E The term megabytes refers to 1024 kilobytes 1024 bytes 1024 megabytes 1024 gigabytes None of these 28 A B C D E 24 The decimal equivalent of the binary number 1010100 is 29 A B C D E A B C D E A B C D E A 39 46 64 84 98 25 A B C D E B C D E 30 A Winchester disk is a Disk Stack Removable disk Flexible disk All of these None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 19 The silicon chips used for data processing are called Micro processor RAM chips PROM chips ROM chips None of these Dot-matrix is a type of Bus Disk Printer Tape None of these As compared to diskettes, the hard disks are less rigid more expensive more portable slowly accessed None of these A computer program consists of Algorithms written in computer's language System flowchart Program flowchart Discrete logical steps. None of these Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU? CPU Input Memory Output Storage 31 A B C D E 36 Which of the following registers hold the information before it goes to the decoder accumulator address register control register data register None of these A B C D E A computer program that converts an entire program into machine language at one time is called a/an compiler interpreter simulator commander None of these 32 A B C D E The term kilobytes refers to None of these 1024 kilobytes 1024 megabytes 1024 gigabytes 1024 bits 37 A B C D E An error in computer data is called Bug Chip CPU Storage devices None of these 33 Conversion of a hexadecimal number D8 to binary number is 11011000 11001100 10001101 10101101 None of these 38 Which of the following is a secondary memory device? ALU Disk Keyboard All of these None of these A B C D E 34 A B C D E 35 A B C D E A B C D E 39 Ethernet uses Bus topology Ring topology Star topology Tree topology None of these A computer has no more sense than a light bulb pad pen switch None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 40 A B C D E 20 Which of the following translate back from machine code something resembling the source language Assembler Compiler Decompiler Interpreter None of these One nibble is equal to 4 bits 8 bits 6 bits 16 bits None of these Department of Computer Science FINAL EXAMINATION Test № 6 1 The purpose of an application program is to A Allow the operating system to control resources better B Convert program written in high level language to machine language C Make off-line equipment run better D Meet specific user needs E None of these 2 A B C D E 3 6 A common use of computer in office is for A Data B Distributed C Word processing D All of these E None of these The octal equivalent of the number 10011.1101 is 23.64 32.54 63.51 23.53 None of these 7 Super-computers 8 A(n) ____ device is any device that provides information which is sent to the CPU. CPU input memory output storage A B C D E A The benefit of using computers are that A Computers are very fast and can store huge amounts of data B Computers produce accurate output even when the input is incorrect C Computers are designed to the inflexible D All of these E None of these E Are not fast enough for some applications Are usually designed to process accounting applications Can now fit on a single silicon chip Are found at thousands of sites around the world None of these 9 A B C D E The decimal equivalent of the binary number 101011 is 39 41 43 44 46 10 A B C D E Which major development led to the production of microcomputers? Floppy disks Integrated circuits Logic gates Magnetic disks None of these B C D 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 21 A computer in a client/server relationship, e.g., a Web browser Client Ethernet Server All of these None of these A computer that provides services to other networked computers All of these Client Server WAP None of these 11 A B C D E 12 A B C D E Serves users within a confined geographical area Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) All of these None of these 16 Covers a geographic area the size of a city or suburb Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) All of these None of these 17 13 Based on a ring topology; but can use a star topology A Ethernet B TCP/IP C Token Ring D All of these E None of these 14 A B C D E 15 A B C D E A B C D E A B C D E A B C D E Covers a wide geographical area, such as a state or a country Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) All of these None of these F ENU 703-07-15. Examination test. The fifth edition 1 Conversion of an octal number 74 to binary number is 111100 111110 110100 110010 None of these 18 19 Software instructions intended to satisfy a user's specific processing needs are called _____. Applications software Systems software A microcomputer Documentation All of these The imitation of one device or system by another is Compaction Emulation Resilience Simulation None of these A B C D E Third generation computers None of these were the first to use built-in error detecting devices used transistors instead of vacuum tubes were the first to use neural network All of these A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as Machine-in-built computer Micro computer Mini computer Super computer None of these 20 A B C D E 22 There are historical evidences to prove that abacus was first used in China India Indonesia Japan None of these 21 A B C D E Which of the following is the fastest? CPU magnetic tapes and disks video terminal sensors, mechanical controllers None of these 26 A B C D E The term kilobytes refers to 1024 bytes 1024 kilobytes 1024 megabytes 1024 gigabytes None of these 22 What is the name given to the 8-bit unit used for coding data? block of characters byte K word None of these 27 An automatic machine that performs routine seemingly human tasks is AI KIPS PL Robot None of these In a computer system, which device is functionally opposite of a Key-board? Joystick Mouse Printer Trackball None of these 28 Which term is not used to describe the memory component of a computer? PROM RAM ROM SAM None of these 29 What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.) Copying Formatting Sectioning Tracking None of these 30 A B C D E 23 A B C D E 24 A B C D E 25 A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E A B C D E 23 RAM is also known as Read/Write memory Read-only memory Programmable read-only memory Erasable programmable read-only memory None of these Programmed instructions to the computer is known as Code Data Documentation Database None of these An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as Magnetic disk Punched card Punched paper tape Touch pad None of these 31 A B C D E Which of the following are the two main components of the CPU? ALU and bus control unit and ALU control unit and registers registers and main memory None of these 32 To locate a data item for storage is A Database B Feed C Fetch D Field E None of these 36 A B C D E Where does a computer add and compare data? CPU chip Hard disk Floppy disk Memory chip None of these 37 What is meant by computer literacy? A Knowing what a computer can and cannot do B Ability to write computer programs C Knowing computer related vocabulary D Ability to assemble computers E None of these Conversion of an octal number 123 to binary number is 1010011 101010 1011011 111100 None of these 38 34 A B C D E A teleprocessing system may consist of computer center systems user systems communications systems All of these None of these 39 A B C D E In analog computer Input is first converted to digital form Input is never converted to digital form Output is displayed in digital form All of these None of these 35 What is a common language that computers use to talk with one another on a network adapter client operating systems protocol None of these 40 The decimal equivalent of the binary number 1011001 is 57 78 88 89 91 33 A B C D E A B C D E F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 24 A 64 bit microprocessor has the word length equal to 8 bytes 64 bytes 4 bytes 32 bytes None of these Department of Computer Science FINAL EXAMINATION Test № 7 1 6 A B C D E 2 Computer cannot do anything without a Chip Memory Output device Program None of these Which of the following memories must be refreshed many times per second? A Dynamic RAM B EPROM C ROM D Static RAM E None of these 3 A B C D E 7 Third generation computers Used transistors instead of vacuum tubes Were the first to use built-in error detecting devices Were the first to use integrated circuitry All of these None of these A B C D E 8 A B C D E The third generation of computers covers the period: 1959-1964 1965-1970 1971-1981 1982-1994 1995-now 9 A B C D E A vertically aligned set of tracks on a disk pack is known as Cluster Cylinder Panel Surface None of these 10 A B C D E A digital device that processes data is known as Data entry Data processor Database DBMS None of these 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 A generalised software package produced to meet the bugs of a variety of data processing users is known as Application package Utility programs System software Operating system None of these A B C D E To set a register or counter to the all-zerostate is Reset Rerun Remote Release None of these A B C D E Which of the following is NOT a primary storage device? Optical disk Magnetic tape Magnetic disk All of these None of these A B C D E 25 What are the concentric circles on floppy disks know as? Cylinders Sectors Segments Tracks None of these 11 A B C D E 12 A B C D E Instructions and memory addresses are represented by binary codes character codes binary word parity bit None of these 16 Which generation of computers is covered by the period 1971-81? First Forth Second Third None of these 17 13 A B C D E A B C D E 18 Main storage is also called A Accumulator B Control unit C memory D Register unit E None of these 14 A B C D E Which printer is very commonly used for desk-top publishing? Daisy wheel printer Dot-matrix printer Ink-jet printer Laser printer None of these 15 A B C D E A B C D E 19 A B C D E 20 Personnel who design, program, operate and maintain computer equipment refers to Console-operator Peopleware Programmer System Analyst None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 26 A common example of a data storage medium is cartridge Control unit disk floppies None of these IBM-PC is an example of A main frame Machine-in-built Micro computer Special purpose None of these Which of the following will happen when data is entered into a memory location? It will erase the previous content It will add to the content of the location It will not be fruitful if there is already some data at that location It will change the address of the memory location None of these The intersection of a column and row in a spreadsheet is called a bon or Cell Field Key Menu None of these A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus? Icon Figure Symbol option None of these 21 A B C D E What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another? Buffer Cache Concentrator I/O device None of these 22 A B C D E 24 A B C D E A B C D E 27 The decimal equivalent of the binary number 100100 is 33 36 44 63 77 23 A B C D E 26 A B C D E 28 What is the number of bit patterns provided by a 7-bit code? 64 128 256 512 None of these Which type of processing that produces output results immediately after input data are entered into a computer system Interactive Time-sharing Batch processing Real-time processing None of these 25 In the third generation of computers: A an operating system was first developed B distributed data processing first became popular C high-level procedural languages were first used D on-line, real-time systems first became popular E All of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 29 A B C D E Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body. ALU Control unit CPU Input device None of these The physical equipment made of various metals, silicon and plastic components that make up the parts of a computer is called hardware micro peripheral disk drive None of these A device that can accept data, hold them&deliver them on demand at a later time is known as Buffer CPU Memory Register None of these A new technology which provides the ability to create an artificial world and have people interact with it is called 3-D reality alternative reality televirtuality virtual reality None of these 30 Super computers are primarily useful for A Mathematical-intensive scientific applications B Input-output intensive processing C Data-retrieval operations D All of these E None of these 27 31 A B C D E Conversion of an octal number 44 to binary number is 100100 110110 101101 110011 None of these 32 36 A B C D E 37 The function of CPU is A to read, interpret and process the information and instruction B to provide a hard copy C to communicate with the operator D to provide external storage of text E None of these 33 A B C D E 34 A B C D E 35 A B C D E A B C D E Which of the following persons probably has the least amount of technical knowledge? Computer Operator Computer professional Programmer System Analyst User 38 The most popular language for interactive use is BASIC COBOL FORTRAN PASCAL None of these 39 A step-by-step procedure used to solve a problem is called Algorithm Operating system Application program All of these None of these 40 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E 28 Point out the odd item amongst the following Computer mouse Light pen Printer Touchpad None of these Which of the following best describes a computer-based information system? A system in which a computer is used to turn data into information Inputting data Processing data Performing complex mathematical calculations Data is put into the computer for processing A large number of computers in a wide geographical area can be efficiently connected using Coaxial cables Communications satellites Twisted pair lines All of these None of these An error in computer data is called Bit Bug Byte Chip None of these Which of the following terms describe 1024 kilobytes Gigabyte Kilobyte Megabyte Terabyte None of these Department of Computer Science FINAL EXAMINATION Test № 8 1 6 A B C D E A half byte is known as Bit Data Half byte Nibble None of these A B C D E A prewritten program that's sold to perform a common task is called an application Package Program System software Utilities None of these 8 A B C D E Which of the following is used as "Input device" for the computer? Light pen Printer TV VDU None of these 9 A B C D E The most popular language used with microcomputers and time-shared mini computers, is an easy-to-use high level language. ADA BASIC COBOL PASCAL None of these 10 A B C D E Primary storage is _____ as compared to secondary storage Fast and expensive Slow and inexpensive Fast and inexpensive Slow and expensive None of these 2 A B C D E 7 3 4 5 F ENU 703-07-15. Examination test. The fifth edition 1 A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is Broadband network Euronet LAN Star network None of these A B C D E A B C D E Codes which do not require to be frequently updated also promote user efficiency due to Expansibility Simplicity Sortability Stability None of these A B C D E What is the term which represents the use of links between information of all sorts whether text, graphics, video oi audiobased? HyperCard Hypermedia Hypertext Wildcard None of these A B C D E 29 Offline device is a device which is not connected to CPU a device which is connected to CPU a direct access storage device an I/O device None of these What is the standard code the computer industry created to represent characters? ASCII ASSH BASCII DASI EPROM 11 A sizeable geographical area with communication based on the telephone system is though as A Wide area network B Local area network C Modulator-Demodulator D All of these E None of these 12 A B C D E 13 A B C D E 14 A B C D E 15 A B C D E 16 A B C D E Condensing output data to exhibit specific information is Calculating Merging Recording Summarising None of these 17 Which of the following is used for manufacturing chips? control bus control unit parity unit semiconductor None of these 18 Conversion of an octal number 47 to binary number is 100111 111010 101100 111100 None of these 19 Which of the following terms applies to communication between separate computer systems? Applications software Computer literacy Connectivity Power supply None of these 20 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E A B C D E A B C D E 30 Output hardware is often categorized according to whether it: can fit on a desktop is expensive produces hardcopy or softcopy requires a large amount of electricity to work None of these Which of the following terms is the most closely related to main memory? temporary nonvolatile control unit permanent None of these What is the number of bit patterns provided by an 8-bit code? 64 128 256 512 None of these Which kind of storage device can be carried around? Floppy disk Hard disk System cabinet Hard disk drive Floppy disk drive Which of the following is used for modulation and demodulation? gateway modem multiplexer protocols None of these 21 A B C D E 22 A B C D E 23 A B C D E The decimal equivalent of the binary number 110101 is 33 42 53 63 72 26 A distributed network configuration in which all data/information pass through a central computer is star network bus network ring network Point-to-point network None of these 27 Transmission of computerised data from one location to another is called data communication data flow data management data transfer None of these 28 24 A B C D E A B C D E A B C D E 29 What is the general name of the device which produces hardcopy graphics? COM Microfilm Plotter Printer None of these 25 A B C D E A B C D E A B C D E 30 RAM is used as a short memory because it is Volatile Has small capacity Is very expensive Is programmable None of these F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E 31 What is the name given to the molecularscale computer? Nanocomputer Femtocomputer Supercomputer Microcomputer None of these Conversion of a hexadecimal number 2FB to binary number is 1011111011 1100110010 1100011011 1010001101 None of these Time during which a job is processed by the computer is Delay time Down time Execution time Real time None of these Computers are extremely fast and have fantastic memories. However, the only thing they can remember is Boolean algebra Instruction Logic theorems Series of 1s and 0s None of these The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called? ALU Control Unit Microprocessor Monochip None of these 31 A B C D E 32 A B C D E 33 A B C D E 34 A B C D E 35 A B C D E Which selection below best describes the term data processing? The collection of information or data The distribution of information or data The manipulation of information or data The storage of information or data None of these 36 Conversion of a hexadecimal number BC to binary number is 10111100 11001100 110001101 10100010 None of these 37 A B C D E A B C D E The personnel which deal with the computer 38 and its management put together is known as Firm ware A Hardware B Human ware C Software D None of these E The earliest device that qualifies as a digital computer is Abacus EDSAC ENIAC EDVAC None of these 39 A computer program that instructs other programs to perform a particular type of operation is Application program Compiler Interpreter System software None of these 40 F ENU 703-07-15. Examination test. The fifth edition 1 A B C D E A B C D E 32 A hard copy would be prepared on a Type writer terminal Line printer Dot matrix printer All of these Plotter Transmission and presentation of text and graphics is called Network Tele-text Telematique Video text None of these Which of the following is a machine for reading documents that are encoded in a way that is readable by person and machine. Artificial intelligence Distributed system Document reader Document sorter None of these Arranging data in a specific order is called Classification Merging Sorting Verification None of these An acronym for the organization that publishes programming language standard is ANSI ASCN BCD EBCDIC None of these