Generations of Computers Class 7 MCQs
Generations of Computers – MCQs with Answers & Explanations
Class: CBSE Class 7
Subject: Computer Science
Section: Computer Fundamentals
Topic: Generations of Computers
Board: CBSE Board Examination (NCERT Based)
Subject: Computer Science
Section: Computer Fundamentals
Topic: Generations of Computers
Board: CBSE Board Examination (NCERT Based)
Instructions: These MCQs are strictly based on the NCERT syllabus and are ideal for CBSE Class 7 Computer Science examination preparation.
1. The First Generation computers used:
Answer: B. Vacuum Tubes
Explanation: First Generation computers (1940–1956) used vacuum tubes for processing. They were very large, consumed high electricity, and produced a lot of heat.
Explanation: First Generation computers (1940–1956) used vacuum tubes for processing. They were very large, consumed high electricity, and produced a lot of heat.
2. The period of First Generation computers was:
Answer: A
Explanation: The First Generation existed from 1940 to 1956 and mainly used vacuum tube technology.
Explanation: The First Generation existed from 1940 to 1956 and mainly used vacuum tube technology.
3. Second Generation computers used:
Answer: B. Transistors
Explanation: Transistors replaced vacuum tubes, making computers smaller, faster, and more reliable.
Explanation: Transistors replaced vacuum tubes, making computers smaller, faster, and more reliable.
4. Third Generation computers used:
Answer: A
Explanation: Integrated Circuits (ICs) allowed thousands of components to be placed on a single chip, increasing efficiency.
Explanation: Integrated Circuits (ICs) allowed thousands of components to be placed on a single chip, increasing efficiency.
5. Microprocessors were introduced in:
Answer: C
Explanation: Fourth Generation computers (1971–Present) use microprocessors, making personal computers possible.
Explanation: Fourth Generation computers (1971–Present) use microprocessors, making personal computers possible.
6. Fifth Generation computers are based on:
Answer: B — Based on Artificial Intelligence.
7. Which generation was faster and smaller than First?
Answer: A
8. IC stands for:
Answer: B
9. The Fourth Generation started in:
Answer: C
10. ENIAC belongs to:
Answer: A
11. Transistors were smaller than:
Answer: B
12. Which generation introduced high-level languages?
Answer: B
13. Which generation uses AI technology?
Answer: A
14. Microprocessor is a:
Answer: A
15. Third Generation period:
Answer: A
16. First Generation used machine language:
Answer: A
17. Smaller size started from:
Answer: A
18. IC contains:
Answer: A
19. Present generation computers belong to:
Answer: A
20. Fifth Generation focuses on:
Answer: A