OUR LADY’S BILLINGUAL COLLEGE
PROMOTION EXAMS 2025
STUDENT NAME SCORE
CLASS FORM THREE
SUBJECT COMPUTER SCIENCE
DURATION 1HR 30MINS
- D) Hardware Data Drive
6. **Which of the following is a
1. **What is the primary function of the
characteristic of SSDs?**
CPU?** - A) Mechanical parts
- A) Store data - B) Slower access time
- B) Process data - C) Uses flash memory
- C) Display data - D) Requires defragmentation
- D) Input data 7. **What is the role of the bus in a
2. **Which component of the CPU fetches computer?**
instructions from memory?** - A) Store data
- A) Arithmetic Logic Unit - B) Connects components
- B) Control Unit - C) Process data
- C) Registers - D) Manage power
- D) Cache 8. **Which of the following is NOT a
3. **What type of memory is volatile?** computer port?**
- A) ROM - A) USB
- B) Hard Drive - B) HDMI
- C) RAM - C) RAM
- D) Flash Drive - D) Ethernet
9. **Which storage type retains data even
4. **Which of the following is NOT a type when powered off?**
of primary storage?** - A) Primary storage
- A) RAM - B) Secondary storage
- B) Cache - C) Cache
- C) SSD - D) RAM
- D) Registers 10. **What is the function of the Arithmetic
5. **What does HDD stand for?** Logic Unit (ALU)?**
- A) High Definition Disk - A) Fetch instructions
- B) Hard Disk Drive - B) Perform calculations
- C) High-Density Data - C) Store data
- D) Control hardware B) A device that stores data
11. **What does the Control Unit do?** C) A device that allows users to enter data
- A) Execute instructions into a computer
- B) Fetch data D) A device that processes information
- C) Manage instruction flow 18. Which of the following is an example of
- D) Store data an output device?
A) Keyboard
12. **Which of the following is a function
B) Mouse
of system software?**
C) Monitor
- A) Word processing
D) Scanner
- B) Memory management
- C) Image editing 19. What does the CPU stand for?
- D) Video playback A) Central Processing Unit
13. **What is the main purpose of B) Computer Personal Unit
application software?** C) Central Power Unit
- A) Manage hardware D) Computer Processing Unit
- B) Perform specific tasks 20. Which type of device is a printer?
- C) Control system resources A) Input device
- D) Provide security B) Output device
14. **Which of the following is an example C) Processing device
of bespoke software?** D) Storage device
- A) Microsoft Word
- B) Custom software for a specific
SECTION B
company Instruction: Answer Any 2 question
- C) Adobe Photoshop 1a) Draw a block diagram of a machine cycle
- D) Google Chrome and discus the stages (6marks)
15. **What type of software is used to
1b) describe the different types of
manage hardware?**
USB ports on a computer (4marks)
- A) Application Software
- B) System Software 1c) describe primary and secondary
- C) Utility Software storage and give examples (6marks)
- D) Middleware
1d) what is a computer motherboard
16. **Which of the following is an example
and give examples (4marks)
of a non-volatile storage device?**
- A) RAM 2a) Explain the role of data capture
- B) Cache technology in modern day (4marks)
- C) SSD
2b) differentiate between Automated
- D) Registers
and Manual data capture (4marks)
17. What is an input device?
A) A device that displays information
2c) what area some key features of a
word processor (4marks)
2d) List 5 formatting features of a
spreadsheet (Ms Excel) (8marks)
3a) State and explain 4 functions of a system
software or operating system (8marks)
3b) what is general purpose software
(2marks)
3c) what is an application software
and give 2 examples (4marks)
3d) state the usage of the above
examples in (question 3c) (4marks)
