COMPUTER STUDIES QUESTIONS AND ANSWERS​​Section A: 40 Marks1. ​State two hardware technological differences between the second generation and the third generation computers. (2 marks)
The 2nd generation use transistor in its logic circuit while the 3rd generation used integrated circuit
2. State two ways of ensuring proper ventilation in a computer room. (2 marks)
3 (a) Explain the term toggle key as used in computer keyboard. (2 marks)
​These are keys that alternate the input mode. When pressed ON they are
intended to perform a task, when OFF, they perform different task. @ 2 ​(b) List examples of toggle keys on a computer keyboard. (2 marks)
​Caps lock, Insert, Num Lock and Scroll lock.
4. ​State three factors to consider when selecting an operating system to install in a computer. (3 marks)
5. ​Differentiate between analogue data and digital data as used in computers. (2 marks)
6. State two reasons for the increased use of laptop computers in government offices. (2 marks)
​​7. a) Explain three features of a graphical user interface as used in computers. (6 marks)
​b) State the function of each of the following computer keyboard keys:
(i) Caps Lock (1 mark)
this is a toggle key that activates capital letter typing when on and small letters when off. (ii) Shift (1 mark) this is a key that when used with alphanumeric keys activates typing in uppercase and also enables keys with second functions to work. On its own, doesn't have a task to do. (iii) Home (1 mark) The home key takes the cursor to the start of a line when pressed. When used with the shift key, it takes the cursor to the start of a paragraph while using a text editor. When using a browser such as Firefox it scrolls the page to the top.​ 8. State three measures that should be put in place in a computer laboratory to safeguard users’ health. (3 marks)
​9. State three ways in which barcode readers may be used in schools. (3 marks)
​10. State three advantage of flat panel monitors over cathode ray tube monitors as used in computers. (3 marks)
11. State three possible reasons for the extinction of daisy wheel printers in the market. (3 marks)
12. ​​A law firm prefers to use hard Copy output over soft Copy output when handling documents for legal matters. State two reasons for this preference (2 marks)
​13. Describe two characteristics of parallel cables (2 Marks)
​Section B: 40 Marks: Answer any Four Questions
14.​​a) Define the operating system (1 mark)
An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function.
​b) State any five functions of the operating system (5 marks)
​c) Write the following acronyms in full (3 marks)
|
Parallel Interface
|
Serial Interface
|
​c) USB cables are the most popular interfaces with small computers today.
i) Write in full what the acronym USB stands for; (1 mark)
​ii) State three advantages of USB interface over PS/2 interface. (3 marks)
USB
|
PS/2
|
​iii) State any two application areas of USB cables which makes them more popular than other cables. (2 marks)
- Charging of microcomputers such as palmtops
- Support almost all peripheral devices
- Used as a data cable that transport data across small devices
​d) State four safety precautions that should be observed before setting up computer hardware installation and maintenance activity. (4 marks)
- ​Disconnect all drives from power source before starting to work on them.
- Do not work on peripheral device without the guidance of a teacher.
- Never work alone because, you may need help incase of an emergency.
- Discharge any static electricity that might build upon the hands by touching an earthen metallic object and then wearing an antistatic wrist member. This is because your body can hold as much as 200 volts of static charge that can damage sensitive components on the mother board.
- Avoid touching metal conductors with wet hands. This may cause short circuiting thus damaging chipsets.
- Don’t force a component to open/eject. There are laid procedures for every opening/ejection. Force can break or destroy a component makeup.
Follow AtikaSchool.Org on our Social Channels
This gives you an opportunity to get our latest uodates, changes and firsthand information
Leave a Reply.
Don't give up, Keep Searching for more
Categories
All
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
Analogue And Digital Systems
Applications Areas Of ICT
Areas-where-computers-are-used
Auxiliary Storage Devices
Basic-computer-set-up-and-cabling
Binary Addition
Binary Subtraction
Career Opportunities In ICT
Classification Of Computers
Classification-of-computers
Coaxial Cables
COMPACT DISK
COMPLETE PAPERS
Computer Crimes
Computer-files
Computer Memory
Computer Software
Computer Systems
COMPUTER VIRUS
Dashboard
Database
Data Collection
Data Communication
Data-integrity
Data Processing
Data Representation In A Computer
Data Security And Controls
Definition And Development Of Algorithm
Definition-of-a-computer
Desktop Publisher
Development-of-computers
DTP
DVD
Editing-and-formatting-a-word-document
Electronic Data Processing Modes
Elementary Programming Principles
Errors-in-data-processing
Evolution-of-computer-systems
Fibre Optic Cables
File Management Using An Operating System
File-organization-methods
Flowchart
Form 1 Level
Form 2 Level
Form 3 Level
Form 3 Mock Exams
Form 4 Level
Formatting Features
Hands On Skills
HARDCOPY OUTPUT DEVICES
Hardware
Impact Of Ict On Society
IMPACT PRINTERS
Information
Input Devices
Internet And Email
Introduction To Computers
Introduction To Networking And Data Communication
ISP
Levels-of-programming-languages
Midterm-exams
Mind-blowing-q-a
Mocks
Network-topology
NON-IMPACT PRINTERS
Octal
Operating Systems
Output-devices
Paper-1
Parts-of-a-computer
Printers
Processing-devices
Processors
Program-construction
Program-control-structures
Program-design
Program-development
Program-documentation
Protocols
Registers
Review Questions
Revision Kits
Secondary Storage Media
Section A
Section B
Security Threats And Control Measures
Software
Spreadsheets
Stages Of System Development
Storage Devices
Symbolic-representation
System-design
System Development
System-documentation
Term-1
TERM 2
The Computer Laboratory
The CPU
The Keyboard
Types Of Computer Files
Types-of-networks
User Interface
Uses-of-computers
Word Processors
Worksheet-formatting
Archives
December 2024
February 2023
November 2022
September 2022
April 2022
January 2022
December 2021
November 2021
July 2021
March 2021
February 2021
January 2021
December 2020
October 2020
April 2020
February 2020
October 2019
August 2019
July 2019
April 2019
March 2019
November 2018
August 2018
July 2018
December 2017
November 2017
October 2017
July 2017
August 2016
June 2016
January 2016
December 2015
November 2015