Paper 1 · ICT
UGC NET December 2023 (12.12.2023) Shift-I
Identify the correct sequence of the following technologies used in the first generation to the fourth generation of computers. Choose the correct answer from the options given below.
- 1. Integrated Circuits
- 2. Microprocessors
- 3. Transistors
- 4. Vacuum tubes
A4, 3, 2, 1
B4, 3, 1, 2 ✓ Correct
C3, 4, 1, 2
D2, 1, 3, 4
Correct answer: (B) 4, 3, 1, 2 — The sequence is vacuum tubes, transistors, integrated circuits, microprocessors, so the answer is 4, 3, 1, 2.
Explanation
★The sequence is vacuum tubes, transistors, integrated circuits, microprocessors, so the answer is 4, 3, 1, 2.
★The first generation of computers used vacuum tubes.
★The second generation replaced them with transistors.
★The third generation used integrated circuits.
★The fourth generation introduced microprocessors.
★So the order across generations is vacuum tubes, transistors, integrated circuits and microprocessors.
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