Final Exam

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Final Exam
True/False
Indicate whether the sentence or statement is true or false.
1. Few computers today can communicate with other computers.
2. Two main components on the motherboard are the processor and memory.
3. No single person, company, institution, or government agency controls or owns the Internet.
4. Dial-up access is a difficult and expensive way for users to connect to the Internet.
5. Steve Jobs is credited with the Stored Program Concept.
6. First generation computers were characterized by the use of vacuum tubes.
7. The first commercially available electronic digital computer was the UNIVAC 1.
8. Depending on the speed of the Internet connection and the amount of graphics involved, a Web page download can
take from a few seconds to several minutes.
9. Multimedia decreases the types of information available on the Web, limits the Web’s potential uses, and makes the
Internet a less entertaining place to explore.
10. While a computer is running, the operating system remains in memory.
11. Spreadsheet software’s inability to recalculate data makes it a worthless budgeting, forecasting, and decision making
tool.
12. With a computerized database, the computer stores the data in an electronic format on a storage medium such as a
hard disk.
13. Each integrated circuit on a computer chip can contain millions of elements such as resistors, capacitors, and
transistors.
14. Few of today’s personal computers support pipelining.
15. Most computers are digital and recognize only two discrete states: on and off.
16. Windows users work with a mouse that has only one button.
17. To move the pointer using a trackball, slide a fingertip across the surface of the pad.
18. Light pens are ideal for areas where employees’ hands might contain food, dirt, grease, or other chemicals that could
damage a computer.
19. Voice recognition programs are 100% accurate.
20. Pixels per inch (ppi) is the number of pixels in one inch of screen display.
21. While working with a computer, a user encounters four basic categories of output: text, graphics, audio, and video.
22. Information on a display device, sometimes called soft copy, exists electronically and appears for a temporary period.
23. A hard copy is either in portrait or landscape orientation.
24. With an ink-jet printer, a higher dpi means the drops of ink are larger.
25. Impact printers are noisy because a mechanism strikes against an inked ribbon that physically contacts the paper.
26. Current personal computer hard disks typically have storage capacities of less than 20 GB.
27. Manufacturers claim that a properly cared for CD or DVD will last 5 years, but could last up to 100 years.
28. Sequential access also is called random access.
29. One disadvantage of microfilm and microfiche is that they are expensive.
30. Early systems were multitasking, but most of today’s operating systems are single user/single tasking.
31. Multiprocessing increases a computer’s processing speed.
32. When the contents of a file are scattered across two or more noncontiguous sectors, the file is fragmented.
33. If a computer or device on a ring network fails, all devices before the failed device cannot function, but those after the
failed device are unaffected.
34. A digital signal consists of a continuous electrical wave.
35. Transmission from an earth-based station to a satellite is a downlink.
36. For a computer to produce correct information, the data that is input into a database must have integrity.
37. Each record in a data file contains different fields, but each field contains the same data.
38. Data in a database is more vulnerable than data in file processing systems.
39. Today, a common way computers become infected with viruses, worms, and Trojan horses is through users opening
infected e-mail attachments.
40. Biometric devices are losing popularity as a security precaution because they are an easily fooled method of
identification and authentication.
41. Spam sent through an instant messaging service is called spit.
42. A feasibility report contains these major sections: introduction, existing system, benefits of a new system, feasibility
of a new system, and the recommendation.
43. Custom software usually is less expensive and takes less time to design and implement than packaged software.
44. Just as the system development cycle follows an organized set of activities, so does program development.
45. A compiler reads a code statement, converts it into one or more machine language instructions, and then executes
those machine language instructions before moving to the next code statement.
46. Determining the logic for a program always is a programmer’s least challenging task.
47. A logic error occurs when the code violates the syntax, or grammar, of the programming language.
48. A computer’s downtime includes any time that a computer crashes, needs repairs, or requires installation of
replacement or upgrade parts.
49. While the use of computers and the demand for computer specialists continues to decline, the number of students
majoring in computer-related fields is much greater than what the industry needs.
50. Certification ensures quality and workmanship standards and is one way companies can help ensure their workforce
remains up-to-date with respect to computers and technology.
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
51. Computers process _____.
a. data into information
b. information into data
c. data into instructions
d. instructions into data
52. The circuitry of the system unit usually is part of or is connected to a circuit board called the _____.
a. fatherboard
c. brotherboard
b. motherboard
d. sisterboard
53. Storage holds _____ for future use.
a. data
c. information
b. instructions
d. all of the above
54. All of the following are advantages of using computers except _____.
a. speed
c. communications
b. impact on labor force
d. consistency
55. People around the world use the Internet to _____.
a. communicate with and meet other people c. access sources of information and leisure
b. shop for goods and services
d. all of the above
56. The ENIAC computer was developed by:
a. Atanasoff & Berry
c. Jobs & Wozniak
b. Mauchly & Eckert
d. Gates & Lee
57. Although it is an easy and inexpensive way for users to connect to the Internet, _____ is slow-speed technology.
a. a cable modem
c. a dial-up connection
b. DSL
d. ISDN
58. Cobol, a high-level business application language was developed by:
a. Ada Lovelace
c. Grace Hopper
b. John von Neumann
d. Alan Turing
59. Second generation computers were characterized by:
a. used transistors
c. speeds in millionth of a second
b. used high-level languages
d. all of the above
60. Steve Jobs and Steve Wozniak are credited with developing which computer?
a. IBM PC
c. EDVAC
b. Apple
d. Mark I
61. To browse the Internet, you need a _____.
a. computer that is connected to the Internet and that has a Web browser
b. wireless modem
c. domain name
d. home network
62. _____ is the process of transferring documents, graphics, and other objects from a computer to a server on the
Internet.
a. Uploading
c. Downloading
b. Streaming
d. Flowing
63. Applications software is used to _____.
a. facilitate communications
b. assist with graphics and multimedia projects
c. support home, personal, and educational tasks
d. all of the above
64. The _____ is a small symbol displayed on the screen that moves as a user moves the mouse.
a. menu
c. icon
b. button
d. pointer
65. When computer users _____ a document, they enter text or numbers, insert graphical images, and perform other tasks
using an input device.
a. create
c. print
b. format
d. save
66. A(n) _____ restricts access to specified Web sites.
a. antivirus program
b. anti-spam program
67. Each tick of the system clock equates to a _____.
a. clock shot
b. clock spring
c. pop-up blocker
d. Web filter
c. clock rhythm
d. clock cycle
68. Parallel processing _____.
a. speeds processing time
b. divides a problem into portions
c. requires special software
d. all of the above
69. A(n) _____ is the basic storage unit in memory.
a. byte
b. address
c. kilobyte
d. RAM
70. A command is _____.
a. a collection of unprocessed text, numbers, images, audio, and video
b. a series of instructions that tells a computer what to do and how to do it
c. an instruction issued by replying to a question that is displayed
d. an instruction that causes a program to perform a specific action
71. A(n) _____ uses devices that emit and sense light to detect the mouse’s movement.
a. optical mouse
c. audio mouse
b. mechanical mouse
d. ergonomic mouse
72. Devices that capture data directly from a source document include all of the following except _____.
a. optical scanners and optical readers
b. bar code readers
c. magnetic-ink character recognition readers
d. portable keyboards
73. Two types of display devices are _____ displays.
a. ink-jet and laser
c. impact and nonimpact
b. flat-panel and CRT
d. label and postage
74. Until a few years ago, printing a document required connecting a computer to a printer with a cable via the _____ port
on the computer.
a. serial port or IrDA
c. FireWire or MIDI
b. parallel port or USB
d. SCSI or Bluetooth
75. The disadvantage of a multifunction peripheral is that _____.
a. it requires more space than having a separate printer, scanner, copy machine, and fax
machine
b. it is significantly more expensive than purchasing a printer, scanner, copy machine, and
fax machine separately
c. if the device breaks down, users lose all four functions
d. all of the above
76. Examples of nonvolatile storage media include all of the following except _____.
a. memory
c. microfiche
b. floppy disks
d. PC Cards
77. Current personal computer hard disks have storage capacities from 40 to 300 _____ and more.
a. KB
c. MB
b. GB
d. PB
78. A _____ occurs when a read/write head touches the surface of a hard disk platter, usually resulting in a loss of data
and sometimes loss of the entire drive.
a. disk crash
c. drive crash
b. head crash
d. data crash
79. Tape _____.
a. no longer is used as a primary method of storage but is used most often for long-term
storage and backup
b. is used as a primary method of storage and for long-term storage and backup
c. no longer is used for long-term storage and backup but is used most often as a primary
method of storage
d. no longer is used as a primary method of storage or for long-term storage and backup
80. Two types of system software are _____.
a. application software and utility programs c. operating systems and utility programs
b. Web browsers and application software
d. operating systems and Web browsers
81. With Windows XP, a warm boot can be performed by _____.
a. pressing the power button on the computer
b. clicking a button in a dialog box
c. pressing the restart button on the computer
d. all of the above
82. Utility programs included with most operating systems provide all of the following functions except _____.
a. managing files and viewing graphics files
b. uninstalling programs and diagnosing problems
c. removing viruses and compressing files
d. backing up files and defragmenting disks
83. A _____ is a network that connects computers and devices in a limited geographical area, such as a home, school
computer laboratory, or office building.
a. local area network (LAN)
c. wide area network (WAN)
b. metropolitan area network (MAN)
d. variable area network (VAN)
84. Communications software consists of programs that _____.
a. help users establish a connection to another computer or network
b. manage the transmission of data, instructions, and information
c. provide an interface for users to communicate with one another
d. all of the above
85. Physical transmission media used in communications include all of the following except _____.
a. twisted-pair cable
c. broadcast radio cable
b. coaxial cable
d. fiber-optic cable
86. _____ is a computer phrase that points out the accuracy of a computer’s output depends on the accuracy of its input.
a. Nothing ventured, nothing gained (NVNG)
b. Bad data, bad info (BDBI)
c. Garbage in, garbage out (GIGO)
d. What you see is what you get (WYSIWYG)
87. When compared with a file processing system, a database offers all of the following except _____.
a. reduced data redundancy
b. easier access and shared data
c. reduced development time
d. less required memory, storage, and processing power
88. A _____ stores images, audio clips, and/or video clips.
a. multimedia database
c. computer-aided design (CAD) database
b. groupware database
d. hypertext database
89. A _____ is a program that copies itself repeatedly in memory or on a network, using up resources and possibly
shutting down the computer or network.
a. computer virus
c. Trojan horse
b. worm
d. all of the above
90. When users purchase software, a single-user license agreement does not permit users to do any of the following
except _____.
a. install the software on a network
c. make one copy of the software as backup
b. give copies to friends and colleagues
d. export the software
91. _____ consists of running the old system alongside the new system for a specified time.
a. Phased conversion
c. Parallel conversion
b. Direct conversion
d. Pilot conversion
92. Syntax errors will be caused by all of the following except _____.
a. misspelling a command
c. typing command words out of order
b. leaving out required punctuation
d. using the wrong control structure
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