Computer MCQs
Computer MCQs cover operating systems, MS Office, hardware, software, networking, programming, and internet basics. Perfect for IT exams, NTS, and government tests, they boost accuracy, speed, and confidence in computer knowledge for competitive success.
Q: Antivirus software is used to detect and remove
A) Power surges
B) Dust
C) RAM errors
D) Malware
✅ Correct Answer: D
Explanation: Antivirus tools help protect systems from malicious software.
Q: A computer network is a collection of devices connected to
A) Increase cost
B) Slow down speed
C) Break security
D) Share resources
✅ Correct Answer: D
Explanation: Networks allow sharing of files, printers, and internet.
Q: The function of an ALU in the CPU is to perform
A) Input tasks
B) Display output
C) Memory management
D) Arithmetic and logic operations
✅ Correct Answer: D
Explanation: The Arithmetic Logic Unit handles mathematical and logical calculations.
Q: BIOS initializes hardware during
A) Booting
B) Shutdown
C) Sleep mode
D) Updates
✅ Correct Answer: A
Explanation: BIOS performs POST and hardware setup during boot.
Q: Malware refers to
A) Legal software
B) Memory cache
C) Maintenance tool
D) Malicious software
✅ Correct Answer: D
Explanation: Malware is software designed to harm or exploit systems.