Practice Computer Basics MCQs for ISSB Academic & Intelligence Test General Knowledge — topic-wise sets with solved answers.
Q1. CPU stands for:
Answer: Central Processing Unit
Explanation: CPU = Central Processing Unit - the brain of a computer executing instructions. Basic IT literacy is tested at ISSB.
Q2. What does CPU stand for in computer basics?
Answer: Central Processing Unit
Explanation: CPU means Central Processing Unit. It is the main part of a computer that carries out instructions.
Q3. Which of the following is an input device?
Answer: Keyboard
Explanation: A keyboard sends data into the computer, so it is an input device. Monitor, printer, and speaker are output devices.
Q4. One byte is equal to how many bits?
Answer: 8
Explanation: A byte contains 8 bits. This is a basic computer memory unit tested in many screening exams.
Q5. RAM in a computer is used for:
Answer: Temporary working memory
Explanation: RAM is temporary memory used while programs run. Data in RAM is lost when power is turned off.
Q6. What does CPU stand for?
Answer: Central Processing Unit
Explanation: CPU means Central Processing Unit. It is the main processing part of a computer.
Q7. An input device example is:
Answer: Keyboard
Explanation: A keyboard sends data into the computer, so it is an input device.
Q8. 1 byte equals:
Answer: 8 bits
Explanation: One byte is made of 8 bits. This is a basic computer memory unit.
Q9. What does HTTP stand for?
Answer: HyperText Transfer Protocol
Explanation: HTTP is HyperText Transfer Protocol used on the web. This fact often appears in ISSB academic and general knowledge sections.
Q10. 1 kilobyte equals:
Answer: 1024 bytes
Explanation: In binary computing, 1 KB is traditionally 1024 bytes. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q11. An output device example is:
Answer: Monitor
Explanation: A monitor displays output from the computer. Work each step carefully; ISSB math rewards accuracy under time pressure.
Q12. ROM in a computer is:
Answer: Read-only memory
Explanation: ROM is read-only memory that keeps firmware. This fact often appears in ISSB academic and general knowledge sections.
Q13. A virus in computing is:
Answer: Malicious software
Explanation: A computer virus is harmful software that can spread. This fact often appears in ISSB academic and general knowledge sections.
Q14. RAM is used for:
Answer: Temporary working memory
Explanation: RAM holds data temporarily while the computer works. This fact often appears in ISSB academic and general knowledge sections.
Q15. An input device is:
Answer: Keyboard
Explanation: A keyboard sends data into the computer. This fact often appears in ISSB academic and general knowledge sections.
Q16. ROM means:
Answer: Read-Only Memory
Explanation: ROM is read-only memory storing firmware. This fact often appears in ISSB academic and general knowledge sections.
Q17. A computer virus is:
Answer: Malicious software
Explanation: A virus is harmful software that can spread between systems. This fact often appears in ISSB academic and general knowledge sections.
Q18. HTTP stands for:
Answer: HyperText Transfer Protocol
Explanation: HTTP is the protocol used to transfer web pages. This fact often appears in ISSB academic and general knowledge sections.
Q19. A monitor is an:
Answer: Output device
Explanation: A monitor displays output from the computer. This fact often appears in ISSB academic and general knowledge sections.
Q20. What does URL stand for?
Answer: Uniform Resource Locator
Explanation: URL means Uniform Resource Locator, a web address. This fact often appears in ISSB academic and general knowledge sections.
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