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: Refresh rate of a monitor is measured in
A) Watts
B) Inches
C) Hertz
D) Frames
✅ Correct Answer: C
Explanation: Hertz measures how many times the screen refreshes per second.
Q: Software update ensures
A) Data deletion
B) Hardware replacement
C) Improved security and performance
D) Power saving
✅ Correct Answer: C
Explanation: Updates fix bugs and enhance security.
Q: QR codes are used to
A) Store information
B) Charge phones
C) Print documents
D) Scan faces
✅ Correct Answer: A
Explanation: QR codes hold data that can be read using scanners.
Q: The keyboard shortcut to copy selected text is
A) Ctrl + V
B) Ctrl + Z
C) Ctrl + X
D) Ctrl + C
✅ Correct Answer: D
Explanation: Ctrl + C is the standard command to copy content.
Q: A strong password should include
A) Only numbers
B) Your name
C) Only letters
D) Mixed characters
✅ Correct Answer: D
Explanation: Strong passwords use a mix of letters, numbers, and symbols.
Q: The term 'spam' in computing refers to
A) System logs
B) Passwords
C) Deleted files
D) Unwanted emails
✅ Correct Answer: D
Explanation: Spam refers to unsolicited or junk email.
Q: Software used to browse the internet is called
A) IDE
B) Browser
C) Compiler
D) Antivirus
✅ Correct Answer: B
Explanation: Browsers like Chrome or Firefox are used to view web pages.
Q: A CAPTCHA is used to
A) Install plugins
B) Record keystrokes
C) Connect to Bluetooth
D) Verify humans
✅ Correct Answer: D
Explanation: CAPTCHAs prevent automated bots from accessing services.
Q: Touchpad is commonly found on a
A) Laptop
B) Smartphone
C) Desktop monitor
D) Server rack
✅ Correct Answer: A
Explanation: Touchpads are built-in pointing devices on laptops.
Q: Devices like joystick and gamepad are examples of
A) Gaming accessories
B) Storage
C) Input devices
D) Output devices
✅ Correct Answer: C
Explanation: Joysticks and gamepads are used to provide user input.