Evolution of Computers Class 6 MCQs
Evolution of Computers – Class 6 MCQs with Answers & Explanations
Class: 6
Subject: Computer Science
Section: Fundamentals of Computers
Topic: Evolution of Computers
Board: CBSE (Based on NCERT Syllabus)
Subject: Computer Science
Section: Fundamentals of Computers
Topic: Evolution of Computers
Board: CBSE (Based on NCERT Syllabus)
1. The earliest counting device was the ______.
Answer: B. Abacus
The Abacus is the first known calculating device used thousands of years ago for basic arithmetic operations.
2. Abacus was mainly used for ______.
Answer: C. Counting numbers
It helped perform addition, subtraction, multiplication, and division using beads.
3. Who is known as the Father of Computer?
Answer: A. Charles Babbage
Charles Babbage designed the Analytical Engine, which had features similar to modern computers.
4. The Analytical Engine was a ______.
Answer: B. Mechanical computer
It was a mechanical machine designed to perform calculations automatically.
5. The first generation computers used ______.
Answer: B. Vacuum tubes
Vacuum tubes made computers large, expensive, and power-consuming.
6. Vacuum tube computers were very ______.
Answer: C. Large
They occupied entire rooms due to bulky components.
7. Second generation computers used ______.
Answer: B. Transistors
Transistors made computers smaller, faster, and more reliable.
8. Integrated Circuits were used in ______ generation.
Answer: C. Third
ICs reduced size further and increased speed significantly.
9. Microprocessors were introduced in ______ generation.
Answer: D. Fourth
Microprocessors placed the CPU on a single chip, leading to personal computers.
10. Modern computers belong to ______ generation.
Answer: C. Fourth/Fifth
They use microprocessors, AI, and advanced technologies.
11. ENIAC is an example of ______ generation.
Answer: A. First
It used vacuum tubes.
12. Computers became smaller with ______.
Answer: B. Transistors
They replaced bulky tubes.
13. IC stands for ______.
Answer: B. Integrated Circuit
It combines many components on one chip.
14. Laptops are ______ generation computers.
Answer: C. Fourth
They use microprocessors.
15. AI relates to ______ generation.
Answer: B. Fifth
Fifth generation focuses on Artificial Intelligence.
16. Charles Babbage designed ______ Engine.
Answer: B. Analytical
It was programmable.
17. First computers were very ______.
Answer: C. Expensive
They cost huge amounts.
18. Which device came first?
Answer: B. Abacus
It is the earliest calculating tool.
19. Modern computers are ______.
Answer: B. Intelligent
They use AI and automation.
20. Evolution means ______.
Answer: B. Development over time
Computers evolved from Abacus to AI systems.
