Computer MCQ Questions with answers

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Here Important Computer MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

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📊 Computer
Q. Which of the following is an example of storage device?
  • (A) Hard Disk
  • (B) Mouse
  • (C) CPU
  • (D) Printer
💬 Discuss
✅ Correct Answer: (A) Hard Disk

Explanation: Hard disks store data permanently.

📊 Computer
Q. What is the full form of GUI?
  • (A) Graphical User Interface
  • (B) General User Interface
  • (C) Graphical Utility Interface
  • (D) General Utility Interface
💬 Discuss
✅ Correct Answer: (A) Graphical User Interface

Explanation: GUI allows users to interact with computers through icons and visuals.

📊 Computer
Q. The smallest unit of data in a computer is:
  • (A) Bit
  • (B) Byte
  • (C) Nibble
  • (D) Word
💬 Discuss
✅ Correct Answer: (A) Bit

Explanation: A bit (binary digit) is the smallest data unit, either 0 or 1.

📊 Computer
Q. Which of the following is an example of output device?
  • (A) Scanner
  • (B) Monitor
  • (C) Keyboard
  • (D) Joystick
💬 Discuss
✅ Correct Answer: (B) Monitor

Explanation: A monitor displays information — it’s an output device.

📊 Computer
Q. Which language is directly understood by the computer?
  • (A) Assembly Language
  • (B) Machine Language
  • (C) High-Level Language
  • (D) C Language
💬 Discuss
✅ Correct Answer: (B) Machine Language

Explanation: Machine language consists of binary code that the computer understands.

📊 Computer
Q. Which of these is a portable storage device?
  • (A) RAM
  • (B) Hard Disk
  • (C) Pen Drive
  • (D) Motherboard
💬 Discuss
✅ Correct Answer: (C) Pen Drive

Explanation: A pen drive is a small, portable device used to store and transfer data.

📊 Computer
Q. What does ‘HTTP’ stand for?
  • (A) Hyper Text Transfer Protocol
  • (B) Hyperlink Text Transmission Process
  • (C) High Text Transfer Process
  • (D) Hyper Text Transmission Path
💬 Discuss
✅ Correct Answer: (A) Hyper Text Transfer Protocol

Explanation: HTTP is used for data communication on the web.

📊 Computer
Q. Which device is used to convert digital signals to analog and vice versa?
  • (A) Router
  • (B) Modem
  • (C) Switch
  • (D) Bridge
💬 Discuss
✅ Correct Answer: (B) Modem

Explanation: Modem (Modulator-Demodulator) converts signals for communication.

📊 Computer
Q. Which of these is not a programming language?
  • (A) Python
  • (B) Java
  • (C) HTML
  • (D) Excel
💬 Discuss
✅ Correct Answer: (D) Excel

Explanation: Excel is a spreadsheet software, not a programming language.

📊 Computer
Q. Which memory is volatile?
  • (A) ROM
  • (B) RAM
  • (C) Hard Disk
  • (D) Flash Drive
💬 Discuss
✅ Correct Answer: (B) RAM

Explanation: RAM loses data when the power is turned off — hence volatile.

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