Which of the following statements are true?

1.All computers, big or small, must have an ALU, a control unit and primary storage

2.A byte consists of eight bits

3.A nibble consists of four bits

4.A bit is the smallest unit of computer memory

5.A bit is a binary digit that can take the value 1 or 0

A1, 2 and 4

B3, 4 and 5

C1, 2, 3, 4 and 5 ✓ Correct

D2, 3 and 4

Correct answer: (C) 1, 2, 3, 4 and 5

Explanation

Every one of the five statements here is correct.

Statement 1 rightly says every computer needs an ALU, a control unit and primary storage.

Statement 2 correctly states that a byte holds eight bits.

Statement 3 correctly states that a nibble holds four bits.

Statement 4 rightly names the bit as the smallest unit of memory.

Statement 5 correctly describes a bit as a binary digit holding 1 or 0.

Two bits together can represent four different combinations.

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