| Column -I | Column -II |
| (i) First Generation Computers | (a)   |
| (ii) Second Generation Computers | (b)  |
| (iii) Third Generation Computer | (c)  |
| (iv) Fourth Generation Computer | (d)  |
A) (i) - (d), (ii) - (b), (iii) - (a), (iv) - (c)
B) (i) - (d), (ii) - (c), (iii) - (a), (iv) - (b)
C) (i) - (b), (ii) - (a), (iii) - (d), (iv) - (c)
D) (i) - (a), (ii) - (d), (iii) - (b), (iv) - (c)
Correct Answer: D
Solution :
Device marked as (A), (B), (C) and (D) are of Vacuum tubes, Integrated Circuits Microprocessors and transistors respectively.
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