Computer Basics MCQs

Sample Computer Basics questions

A sample from the full interactive bank. Open the complete bank to attempt questions and review answers.

1. 1. What is the best definition of CPU?

   1. Finite sequence of steps for solving a problem
   2. Central Processing Unit
   3. Software whose source code is available under an open licence
   4. Group of eight bits

2. 2. How is ALU best defined?

   1. Arithmetic Logic Unit
   2. Infrastructure as a Service
   3. Post Office Protocol version 3
   4. Verification of identity

3. 3. Which option correctly defines Control Unit?

   1. Storage medium read by laser
   2. Verification of identity
   3. Universal character-encoding standard
   4. Processor component directing instruction execution

4. 4. Select the most accurate definition of Register.

   1. Very small high-speed storage inside a processor
   2. HTTP protected using transport-layer encryption
   3. Random Access Memory
   4. Data unit commonly equal to 1024 kilobytes in binary usage

5. 5. What is the best definition of Cache memory?

   1. High-speed memory close to the processor
   2. Numerical identifier for a device on an IP network
   3. Malicious software
   4. Basic Input/Output System

6. 6. Which option correctly defines RAM?

   1. Universal Serial Bus
   2. Random Access Memory
   3. Software embedded in hardware
   4. Application for accessing and displaying web content

7. 7. How is ROM best defined?

   1. Read-Only Memory
   2. Malicious software
   3. Wide Area Network
   4. Numerical identifier for a device on an IP network

8. 8. What is the best definition of Byte?

   1. Program translating source code into machine or intermediate code
   2. Program executing source code instruction by instruction
   3. Group of eight bits
   4. Electronic mail

9. 9. Select the most accurate definition of Bit.

   1. Global network of interconnected networks
   2. Binary digit with value zero or one
   3. Software controlled under restrictive ownership licences
   4. Domain Name System

10. 10. Which option correctly defines Kibibyte?

    1. Internet Message Access Protocol
    2. Transformation of readable data into protected ciphertext
    3. Output device producing hard copy
    4. Binary data unit equal to 1,024 bytes

11. 11. How is Mebibyte best defined?

    1. Hypertext Transfer Protocol
    2. Software as a Service
    3. Binary data unit equal to 1,024 kibibytes
    4. Data unit commonly equal to 1024 megabytes in binary usage

12. 12. What is the best definition of Gibibyte?

    1. Program executing source code instruction by instruction
    2. Malware disguised as legitimate software
    3. Binary data unit equal to 1,024 mebibytes
    4. Magnetic non-volatile storage device