Computer Studies

Includes fundamentals of computers, hardware and software, operating systems, MS Office, internet, networking, and basic IT concepts for recruitment exams.

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1
Which of the following is NOT a function of system software?
Medium 2 Marks
System software works behind the scenes — it does not create user documents.
A Managing computer hardware resources
B Controlling input and output devices
C Creating spreadsheets and documents for users
D Handling system operations and processes
2
Without system software, application programs would:
Medium 2 Marks
Think about what allows Word or Chrome to use your screen, keyboard, and storage.
A Run faster than normal
B Not be able to interact with computer hardware
C Only work when connected to the internet
D Use less memory
3
A Command Line Interface (CLI) requires users to:
Medium 2 Marks
How do you give instructions to a computer without a mouse or icons?
A Click on icons and menus
B Type commands to interact with the system
C Use a touchscreen
D Connect to the internet first
4
Which OS function decides which program uses the CPU and for how long?
Medium 2 Marks
Which function deals with running programs and processor allocation?
A File management
B Memory management
C Process management
D Device management
5
Memory management in an OS involves:
Medium 2 Marks
Which OS function handles RAM allocation among running programs?
A Organizing files into folders
B Allocating and controlling the computer's main memory for programs
C Communicating with hardware devices via drivers
D Providing a graphical user interface
6
Which type of OS is used on large servers and mainframe systems?
Medium 2 Marks
Which OS type handles many simultaneous users?
A Single-user OS
B Real-time OS
C Multi-user OS
D Mobile OS
7
Without device drivers:
Medium 2 Marks
Drivers are the translators between the OS and your physical hardware.
A The OS would run faster
B The OS would not recognise or control hardware devices
C Application software would crash
D The computer would use less memory
8
What is the function of a compiler?
Medium 2 Marks
Which translator processes the whole program before running it?
A Translates the program line by line during execution
B Converts assembly language to machine language only
C Translates the entire program into machine code all at once
D Manages computer memory allocation
9
An interpreter translates a program:
Medium 2 Marks
Compare with how a compiler works — it is the opposite approach.
A All at once before execution
B Line by line during execution
C Only once and then caches the result
D After the program has finished running
10
An assembler converts:
Medium 2 Marks
The name gives a clue — it assembles low-level symbolic code into binary.
A High-level language to machine code
B Machine code to assembly language
C Assembly language into machine language
D Source code into object code for all languages
11
Why are language translators needed?
Medium 2 Marks
What is the only language a computer processor actually understands?
A Because computers are too slow to run code directly
B Because programmers prefer writing in machine code
C Because computers only understand machine language (binary)
D Because hardware needs to be upgraded regularly
12
Which of the following is an example of specialised software?
Medium 2 Marks
Which option is built for a particular profession or industry rather than general use?
A Word processor
B Web browser
C Hospital management system
D Presentation tool
13
Custom software is developed for:
Medium 2 Marks
Think about software built from scratch exclusively for one client.
A All users worldwide
B Multiple companies simultaneously
C A particular organisation or user with specific requirements
D General everyday use by the public
14
Which type of application software would a bank most likely develop for its own account management?
Medium 2 Marks
Off-the-shelf software cannot meet every bank's specific requirements.
A General purpose software
B Custom software
C Antivirus software
D Disk cleanup tool
15
What is the primary purpose of utility programs?
Medium 2 Marks
Think about tools that keep your computer healthy, clean, and fast.
A To create documents and spreadsheets for users
B To maintain, manage, and optimise the performance of a computer system
C To replace the operating system
D To connect the computer to the internet
16
Disk defragmentation helps to:
Medium 2 Marks
Think about organising scattered puzzle pieces so the disk reads them faster.
A Delete all unnecessary files from the disk
B Protect the computer from virus attacks
C Reorganise fragmented files so data is accessed more quickly
D Compress files into ZIP archives for storage
17
File compression tools are used to:
Medium 2 Marks
Think about how you make large files small enough to send by email.
A Delete files permanently from the disk
B Scan files for hidden viruses
C Reduce the size of files for efficient storage or transfer
D Reorganise fragmented data on the hard disk
18
Which of the following is a correct pairing of software category and example?
Medium 2 Marks
Match each software carefully to its correct category.
A System software — Microsoft Word
B Application software — Linux
C Utility program — Antivirus software
D System software — Web browser
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