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: 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.