GyaanVibe is a focused educational platform dedicated to helping SSC CGL aspirants crack Tier 1 & Tier 2 exam with a strategic, day-wise, and well-structured preparation approach.
SSC CGL Preparation – Day 1
Practice Questions: Computer Basics
1. Which of the following is the “brain” of the computer?
- (a) Input Unit
- (b) Arithmetic Logic Unit
- (c) Central Processing Unit
- (d) Memory Unit
✅ Answer: (c) Central Processing Unit
2. What does ALU stand for?
- (a) Advanced Logical Unit
- (b) Arithmetic Logic Unit
- (c) Application Logic Unit
- (d) Arithmetic Level Unit
✅ Answer: (b) Arithmetic Logic Unit
3. Which component controls and coordinates the activities of all other units in a computer?
- (a) ALU
- (b) CPU
- (c) Memory Unit
- (d) Control Unit
✅ Answer: (d) Control Unit
4. RAM is a type of:
- (a) Input device
- (b) Output device
- (c) Primary memory
- (d) Secondary memory
✅ Answer: (c) Primary memory
5. Which one of the following is not hardware?
- (a) Monitor
- (b) Mouse
- (c) Operating System
- (d) Keyboard
✅ Answer: (c) Operating System
6. What type of computer is used for weather forecasting and scientific research?
- (a) Minicomputer
- (b) Microcomputer
- (c) Supercomputer
- (d) Mainframe
✅ Answer: (c) Supercomputer
7. Which memory is permanent and non-volatile?
- (a) RAM
- (b) ROM
- (c) Hard Disk
- (d) Cache
✅ Answer: (b) ROM
8. Which of the following is NOT a characteristic of computers?
- (a) Speed
- (b) Diligence
- (c) Versatility
- (d) Emotions
✅ Answer: (d) Emotions
9. Which device is used for input?
- (a) Printer
- (b) Mouse
- (c) Speaker
- (d) Monitor
✅ Answer: (b) Mouse
10. Firmware is:
- (a) Software
- (b) Hardware
- (c) Software embedded into hardware
- (d) None of these
✅ Answer: (c) Software embedded into hardware
🎯 Bonus: Practice Quick Recap
Fill in the blanks:
- The part of the CPU that performs calculations is called the ______.
- A ______ is used to store data permanently.
- The computer’s speed is measured in ______.
- Keyboard and mouse are examples of ______ devices.
- ______ memory is volatile and temporarily stores data.
✅ Answers:
- ALU
- Hard disk
- Hertz (Hz)
- Input devices
- RAM
