TTHS-K
BEGINNING OF TERM 2 EXAMS 2022
S.3 COMPUTER STUDIES
2 HOURS
Instructions: Answer all questions
SECTION A
1. Which of the following processes represent a complete information processing
cycle?
A. Input, processing, data entry and storage
B. Input, processing, output and storage
C. Input, output, storage and processing
D. Input, Processing, Decoding, Output
2. An operating system is………
A. The part of hardware that operates input devices and output devices
B. Part of hardware that operates windows on monitors
C. System software that manages the computer system resources
D. A section of the software that must be part of every day program
3. Which of the following is not a programming tool?
A. Debugger
B. An interpreter
C. Notebook
D. A compiler
4. Slides as an output are displayed using…………software
A. Word processing
C. Spreadsheet
B. browser
D. Presentation
5. Which of the following is the “Brain” of a computer?
A. Main memory
C. ALU
B. Processor chip
D. CMOS
6. An anti-virus is an example of
A. An application software
B. Software package
C. Utility program
D. Operating system
7. Which of the following is created using presentation software?
A. a directory
C. organizational chart
B. a file
D. e-mail message
8. Which of the following is a characteristic of second generation computers?
A. vacuum tubes
C. Integrated circuits
B. transistors
D. diodes
9. What are 0 and 1 used in representation of computer data referred to?
10. A. byte
C. ASCII
B. protocol
D. BIT
11. Convert 10010011two to decimal
A. 156
B. 67
C. 75
D. 147
12. Which of the following is not an output device?
A. printer
B. Plotter
C. Monitor
D. Touch screen
13. One of the following is not a component of a computer system unit
A. ROMBIOS
B. power unit
C. processor chip
D. keyboard
14. Which of these types of storage devices uses a laser to record or read
information?
A. hard disk
B. floppy disk
C. CD-RW
D. zip drive
15. The speed of an inkjet printer is measured by the number of ………….it can print
A. Character per second(CPS)
B. Pixels per second
C. Lines per minute(LPM)
D. Pages per minutes(PPM)
16. The computing device used in the USA Population census of 1890 was
A. Pascals machine
B.
Difference Engine
C. Tabulating machine
D. ALU
17. Which of the following is a set of impact printers
A.Inkjet printers
B. bubble jet printers
C. line printers
D. thermal printers
18. With computer devices, the acronym CPU stands for
A. Central processing unit
B. Command processing unit
C. Central processor unit
D. Command processor unit
19. An example of a nonvolatile memory
A. ROM
B. RAM
C. PROM
D. DRAM
20. When the user does give the computer a command and leave it to work upon it
and thereafter comes when it is finished, then this feature of computers today is
A. automatic
B. consistent
C. Speed
D. internet
21. One of the most dangerous issues about internet among the youths is that it has
A. promoted faster access
B. increased pornography
C. promoted theft of materials
D. increased laziness
22. An artificial environment that is created with a software and presented to the user
is …………………
A. Advanced Robotics.
B. Real Mode.
C. Virtual Reality.
D. Interactive mode.
23. One physical measure of preventing computer systems from crime is ……………………
A. data encryption
B. burglar proofing
C. setting passwords
D. activating firewalls
24. Which of the following is an example of a translator in programming?
A. Compressor
B. Debugger
C. Compiler
D. Defragmenter
25. The computer specification that would determine the quality of a picture in a
computer system is the ……………………
A. RAM capacity
C. screen size
B. screen resolution
D. hard disk capacity
26. The following are classifications of computers by “purpose”:
A. Mainframe and microcomputers
B. Minicomputers and microcomputers
C. Special and general computers
D. Digital and analog
27. A web browser is a ………………………………………….
A. Page which has links to other web pages.
B. Page that appears each time you start your web.
C. Collection of programs maintained by the webmaster.
D. Program that enables you to view and explore information on the web.
SECTION B
28.
a. What is a computer network?
(1 mark)
b. State any 4 advantages of computer networks
(4 marks)
c. Write 3 disadvantages of using computer networks
(3 marks)
d. Differentiate between peer-to-peer and client-server network (2 marks)
29.
a. What is computer hardware
(1 mark)
b. State the use of each of the following hardware devices
(4 marks)
i. RFID device
ii. Mouse
iii. OCR reader
iv. Monitor
c. Convert 4GB to KB
(3 marks)
d. State one example of
(2 marks)
i. Audio input device
ii. Audio output device
30.
a. What is an analog computer
(1 mark)
b. State two differences between analog and digital computers
(2 marks)
c. Write 4 advantages of using computers
(4 marks)
d. Give 3 uses of computers in everyday life citing examples
(3 marks)
a. What is meant by the term utility software?
(1 mark)
b. State any 2 devices which require a driver to operate
(2 marks)
31.
c. Differentiate between command line and graphical user interface (2 marks)
d. Give two advantages of using a graphical user interface
(2 marks)
e. State any 2 examples of operating systems which use graphical user
interface
(2 marks)
a.
What is computer communication?
(1 mark)
b.
State any four major elements of computer communication
(4 marks)
32.
c. Explain the meaning of the following
(3 marks)
i. Full duplex
ii. Half duplex
iii. Simplex
d. Give one example of a device which uses
(1 mark)
e. Give one advantage of data communication
(1 mark)
~END~