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1.  
Consider the following statements:
I. First-generation computers used vacuum tubes and magnetic drums.
II. Second-generation computers were the first to use integrated circuits.
III. Fifth-generation computing is linked with artificial intelligence.
Which of the statements given above is/are correct?

Correct Answer: D [Only I and III]

Explanation:

I true; II false – ICs came with the third generation; III true.

2.  
Match the pioneer with the work:
List I: (a) Charles Babbage; (b) Herman Hollerith; (c) Alan Turing; (d) Blaise Pascal
List II: (1) punched-card tabulating machine; (2) Turing machine; (3) Pascaline; (4) Analytical Engine

Correct Answer: E [a-4, b-1, c-2, d-3]

Explanation:

Babbage – Analytical Engine; Hollerith – tabulator; Turing – Turing machine; Pascal – Pascaline.

3.  
Consider the following statements about the CPU:
I. The ALU carries out comparisons such as A > B.
II. The Control Unit stores the results of calculations permanently.
III. Registers are storage locations inside the CPU.
Which of the statements given above is/are correct?

Correct Answer: C [Only I and III]

Explanation:

I and III true; II false – the CU only directs; permanent storage is secondary storage.

4.  
Reverse question: the statement "Fourth-generation computers were built around ____" is correct when the blank is:

Correct Answer: A [microprocessors]

Explanation:

Fourth rung of the ladder (V-T-I-M-A) = microprocessors (VLSI).

5.  
Odd one out (basis of classification):

Correct Answer: B [Hybrid computer]

Explanation:

The other four are classes by size; hybrid is a class by working principle.

6.  
2 milliseconds are equal to how many nanoseconds?

Correct Answer: C [20,00,000]

Explanation:

1 ms = 10⁶ ns, so 2 ms = 20,00,000 ns.

7.  
Which sequence is correct?

Correct Answer: A [Data → Information → Knowledge]

Explanation:

Data is processed into information; understanding information gives knowledge.

8.  
Spot My Mistake: a student wrote, "A laptop is a digital, general-purpose minicomputer." Which word is wrong?

Correct Answer: C [minicomputer]

Explanation:

A laptop is built around one microprocessor for one user – a microcomputer.

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