Computer MCQs
Computer MCQs are designed to assess your understanding of computer fundamentals, including topics like operating systems, MS Office, hardware, software, data communication, internet, programming basics, and networking. These MCQs are beneficial for IT exams, computer operator roles, NTS tests, and government service commission exams. With the growing digital landscape, having a strong command over computer knowledge is not optional—it’s a necessity. These MCQs are updated regularly to reflect the latest trends and technologies. Preparing through this section helps candidates improve accuracy, speed, and confidence in computer-related questions, giving them an edge in tech-oriented or general competitive tests.
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.
Q: A hyperlink allows you to
A) Scroll text
B) Save files
C) Jump to another location
D) Open printer settings
✅ Correct Answer: C
Explanation: Hyperlinks connect to other documents or web pages.
Q: An example of an output device is
A) Monitor
B) Keyboard
C) Scanner
D) Joystick
✅ Correct Answer: A
Explanation: Monitors display processed data from the computer.
Q: Function of CTRL + Z in most programs is to
A) Undo last action
B) Redo
C) Paste
D) Zoom in
✅ Correct Answer: A
Explanation: CTRL + Z is the universal undo shortcut.
Q: A search engine helps to
A) Program apps
B) Find information online
C) Design websites
D) Connect hardware
✅ Correct Answer: B
Explanation: Search engines index and retrieve online content.
Q: The shortcut to refresh a web page is
A) F1
B) F3
C) F11
D) F5
✅ Correct Answer: D
Explanation: Pressing F5 reloads the current page.