Introduction to Computers Class 7 MCQs with Answers
Introduction to Computers – MCQs with Answers & Explanations
Class: CBSE Class 7
Subject: Computer Science
Section: Computer Fundamentals
Topic: Introduction to Computers
Board: CBSE (NCERT Based Examination Standard)
Subject: Computer Science
Section: Computer Fundamentals
Topic: Introduction to Computers
Board: CBSE (NCERT Based Examination Standard)
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Computer Science examination preparation. Each question includes a detailed explanation to ensure concept clarity and easy understanding.
1. A computer is an electronic machine that is used to:
Correct Answer: B. Process data
A computer accepts raw facts (data), processes them according to instructions, and produces meaningful information. This data processing capability is the primary function of a computer.
2. The physical parts of a computer are called:
Correct Answer: B. Hardware
Hardware refers to the tangible components of a computer such as keyboard, monitor, mouse, and CPU that can be physically touched.
3. Which of the following is known as the brain of the computer?
Correct Answer: C. CPU
CPU (Central Processing Unit) performs calculations, controls operations, and processes instructions, making it the brain of the computer.
4. Which device is used to display output?
Correct Answer: A. Monitor
The monitor visually displays processed information, making it the primary output device.
5. Information entered into a computer is called:
Correct Answer: B. Input
Input is the data or instructions entered into the computer using devices like keyboard or mouse.
6. Which device is used to type text?
Correct Answer: B. Keyboard
Keyboard is the main typing input device used to enter letters, numbers, and symbols.
7. Printed output is called:
Correct Answer: B. Hard copy
A hard copy is physical output printed on paper using a printer.
8. Which of these is an input device?
Correct Answer: C. Mouse
Mouse is used to point, click, and select items on the screen.
9. The first calculating device was:
Correct Answer: B. Abacus
Abacus is the earliest known calculating device used for arithmetic calculations.
10. Computers work on the IPO cycle. P stands for:
Correct Answer: A. Process
IPO stands for Input → Process → Output.
11. Which device gives audio output?
Correct Answer: A. Speaker
Speakers produce sound as output.
12. Data after processing is called:
Correct Answer: B. Output
Processed data becomes meaningful information called output.
13. Which machine works faster?
Correct Answer: B. Computer
Computers process large data at extremely high speed.
14. Storage device example:
Correct Answer: A. Pen drive
Pen drives store data for future use.
15. Full form of CPU:
Correct Answer: B
CPU stands for Central Processing Unit.
16. Computer cannot work without:
Correct Answer: C
Instructions are given through software.
17. Example of software:
Correct Answer: B
Software are programs like MS Paint.
18. Which works on electricity?
Correct Answer: A
Computers are electronic machines.
19. Smallest unit of data:
Correct Answer: B
Bit is the smallest data unit.
20. Laptop is a:
Correct Answer: A
Laptop is a portable personal computer.