Computer Awareness MCQ SET II

Computer Awareness MCQ SET II[su_divider top=”no” size=”1″ margin=”5″]

1)An error in computer data is called

(a) Byte

(b) Bit

(c) Chip

(d) Bug

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: d[/su_spoiler]

2) A half adder circuit consists of

(a) Two AND gates

(b) Two OR gates

(c) One AND gate and one OR gate

(d) One AND gate and one NOT gate

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]

3) The computer memory which is essentially empty is

(a) ROM

(b) RAM

(c) Mouse

(d) Floppy disk

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: a[/su_spoiler]

4) A logic gate is an electronic circuit which

(a) Make logical decisions

(b) Allows current only in one direction

(c) Is based on ordinary algebra

(d) Allows current an both the directions

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: b[/su_spoiler]

5) Which of the following performs the OR, XOR & AND functions ?

(a) Control unit

(b) Register unit

(c) ALU

(d) Memory

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]

6) Computer is a /an

(a) Electrical device

(b) Mechanical device

(c) Electronic device

(d) None of the above

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: c[/su_spoiler]

7) The computer memory, which can be programmed once but cannot be reprogrammed, is –

(a) SAM

(b) PROM

(c) RAM

(d) EPROM

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: b[/su_spoiler]

8) Division is carried out in Computer by

(a) Repeated subtraction

(b) Reverse division

(c) Reverse subtraction

(d) None of the above

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: a[/su_spoiler]

9) In retail showrooms, a code which identifies merchandise is

(a) Bar code

(b) Gray code

(c) Machine code

(d) Universal product code

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: d[/su_spoiler]

10) The alternative form of binary code is

(a) Decoder

(b) Encoder

(c) Bar code

(d) Gray code

[su_spoiler title=”Show Answer” style=”fancy” icon=”plus-circle”]Answer: d[/su_spoiler]