Computer & IT MCQs 2026 — 100 Most Important MCQs with Answers

Test Preparation Swipe to learn more! Sahulat HUB

Test Preparation Q.1 Who is considered the father of computers? A) Alan Turing B) Charles Babbage C) Bill Gates D) Steve Jobs ✅ Correct Answer: Option B Exp: Charles Babbage, an English polymath, is considered the "father of the computer" for inventing the first mechanical computer (Difference Engine and Analytical Engine).

Test Preparation Q.2 Which of the following is the brain of the computer? A) RAM B) Motherboard C) CPU D) Hard Disk ✅ Correct Answer: Option C Exp: The Central Processing Unit (CPU) is considered the brain of the computer because it processes all instructions and manages the hardware.

Test Preparation Q.3 RAM stands for: A) Read Access Memory B) Random Access Memory C) Run Accept Memory D) Rapid Access Memory ✅ Correct Answer: Option B Exp: RAM stands for Random Access Memory. It is the short-term, volatile memory of a computer where active data is stored.

Test Preparation Q.4 Which of the following is a non-volatile memory? A) RAM B) Cache C) ROM D) Register ✅ Correct Answer: Option C Exp: ROM (Read-Only Memory) is non-volatile, meaning it retains its data even when the computer's power is turned off.

Test Preparation Q.5 1 Byte is equal to: A) 4 bits B) 8 bits C) 16 bits D) 1024 bits ✅ Correct Answer: Option B Exp: A byte is a unit of digital data that typically consists of 8 bits. A group of 4 bits is called a nibble.

Complete The Full Test!

You just saw 5 MCQs. Attempt the full Mock Test and get your instant score on our website. Attempt Full Quiz Now SWIPE UP TO READ ➔