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Computer Fundamentals — Computer Questions & Practice

Practise 5 Computer Fundamentals questions from Computer for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Computer Fundamentals — with answers

Try each question first, then open the answer. Explanations are included.

1. What does 'CPU' stand for?

  1. AComputer Processing Unit
  2. BCentral Processor Utility
  3. CCentral Program Unit
  4. DCentral Processing Unit
Show answer

Answer: D

The correct answer is 'Central Processing Unit'.

2. What are the two main components of a CPU?

  1. AThe hard disk and CD-ROM
  2. BThe monitor and keyboard
  3. CThe Arithmetic Logic Unit (ALU) and the Control Unit (CU)
  4. DRAM and ROM
Show answer

Answer: C

The correct answer is 'The Arithmetic Logic Unit (ALU) and the Control Unit (CU)'.

3. What is the function of the 'Arithmetic Logic Unit (ALU)'?

  1. ATo control the flow of instructions only
  2. BTo display output on the monitor
  3. CTo store data permanently
  4. DTo perform arithmetic and logical operations on data
Show answer

Answer: D

The correct answer is 'To perform arithmetic and logical operations on data'.

4. What is the 'BIOS' (Basic Input Output System)?

  1. AAn application software for word processing
  2. BA programming language
  3. CA type of computer network
  4. DFirmware used to perform hardware initialization during the booting process and provide runtime services
Show answer

Answer: D

The correct answer is 'Firmware used to perform hardware initialization during the booting process and provide runtime services'.

5. What has largely replaced traditional BIOS in modern computers?

  1. AUEFI (Unified Extensible Firmware Interface)
  2. BCache Memory
  3. CRAM
  4. DROM
Show answer

Answer: A

The correct answer is 'UEFI (Unified Extensible Firmware Interface)'.

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