Top 50 Computer Basics MCQs With Answers (Beginner to Advanced)

Computers run the world – and understanding the basics is no longer optional. Whether you’re preparing for competitive exams, getting ready for job interviews, or building essential digital skills, mastering computer fundamentals gives you a powerful advantage. Our Top 50 Computer Basics MCQs are designed to help you learn faster and test smarter. They cover core computer concepts every student and professional should know, while still offering enough depth to challenge advanced learners.

In this guide, you’ll practice carefully selected multiple-choice questions covering:

  • Hardware and Software
  • Memory and Storage
  • Input and Output Devices
  • Operating Systems
  • Internet Fundamentals

Consider this your fast track to stronger technical skills. By the end, you won’t just recognize computer terms — you’ll understand how they work in the real world. Ready to test your knowledge and level up your computer skills? Let’s begin.

Computer Basics MCQs (Questions & Answers)

Q1. What is a computer?
A) An electronic machine that processes data
B) A mechanical tool
C) A type of software
D) A communication cable

Answer

Answer: A
Explanation: A computer is an electronic device that accepts data, processes it, and produces output.

Q2. Which of the following is an output device?
A) Keyboard
B) Monitor
C) Mouse
D) Scanner

Answer

Answer: B
Explanation: A monitor displays processed information, making it an output device.

Q3.What does RAM stand for?
A) Read Access Memory
B) Random Application Memory
C) Readable Active Memory
D) Random Access Memory

Answer

Answer: D
Explanation: RAM stands for Random Access Memory and stores data temporarily.

Q4. What is the brain of the computer?
A) RAM
B) CPU
C) Hard Disk
D) Monitor

Answer

Answer: B
Explanation: The CPU performs calculations and controls computer operations.