Computer Organization & Architecture (3140707) MCQs

MCQs of Central Processing Unit

Showing 1 to 10 out of 55 Questions
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1.
Which is not included as main component of CPU?
(a) Register set
(b) ALU
(c) Control
(d) I/O device
Answer:

Option (d)

2.
General register organization is also known as _______ CPU register organization.
(a) five
(b) seven
(c) six
(d) nine
Answer:

Option (b)

3.
Which type of multiplexers are used to design seven CPU register organization?
(a) 4 x 1
(b) 6 x 1
(c) 8 x 1
(d) 16 x 1
Answer:

Option (c)

4.
Control word in general register organization has how many bits?
(a) 20
(b) 16
(c) 12
(d) 14
Answer:

Option (d)

5.
How many fields are there in control word?
(a) 4
(b) 5
(c) 3
(d) 6
Answer:

Option (a)

6.
OPR field of control word has how many bits?
(a) 3
(b) 4
(c) 5
(d) 6
Answer:

Option (c)

7.
What is the correct pattern of control word?
(a) SELD, SELA, SELB, OPR
(b) SELA, SELB, SELD, OPR
(c) SELA, SELB, OPR, SELD
(d) OPR, SELA, SELB, SELD
Answer:

Option (b)

8.
If SELD field has 000, then which register will be selected?
(a) R1
(b) Input
(c) R0
(d) None
Answer:

Option (d)

9.
Specify the control word to perform addition between R2 and R3, result will be stored in R1.
(a) 010 011 001 00010
(b) 001 010 011 00100
(c) 011 010 001 00101
(d) 010 011 001 01010
Answer:

Option (a)

10.
In which of the following microoperation, control word has all zeros?
(a) R1 to output
(b) Input to output
(c) Input to R1
(d) It is not possible
Answer:

Option (b)

Showing 1 to 10 out of 55 Questions
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