Computer Organization & Architecture (3140707) MCQs

MCQs of Computer Data Representation

Showing 41 to 40 out of 50 Questions
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41.
To perform "Add with carry" operation in ALU, what should be the value of S3 S2 S1 S0?
(a) 0000
(b) 0001
(c) 0010
(d) 0011
Answer:

Option (b)

42.
To perform "Decrement" operation in ALU, what should be the value of S3 S2 S1 S0?
(a) 0000
(b) 0001
(c) 0010
(d) 0011
Answer:

Option (d)

43.
To perform "Increment" operation in ALU, what should be the value of S3 S2 S1 S0?
(a) 0000
(b) 0001
(c) 0010
(d) 0011
Answer:

Option (a)

44.
To perform "Subtraction" operation in ALU, what should be the value of S3 S2 S1 S0?
(a) 0000
(b) 0001
(c) 0010
(d) 0011
Answer:

Option (c)

45.
If A = 11011001, then determine value of B in selective complement operation to change the value of A to 01101101
(a) 01001011
(b) 10110100
(c) 10111011
(d) 11011001
Answer:

Option (b)

46.
Determine the output of adder-subtractor circuit if M = 0, A = 0111, B = 0110
(a) 01101
(b) 11101
(c) 01001
(d) 10101
Answer:

Option (a)

47.
Determine the output of adder-subtractor circuit if M = 1, A = 0101, B = 1010
(a) 01101
(b) 11101
(c) 01001
(d) 01011
Answer:

Option (d)

48.
Which digital component is used in a bus system using tri-state buffer?
(a) Multiplexer
(b) Demultiplexer
(c) Decoder
(d) Encoder
Answer:

Option (c)

49.
Which symbol is used to separate two microoperation?
(a) Semicolon
(b) Comma
(c) Colon
(d) Arrow
Answer:

Option (b)

50.
Which two gates are used to perform "insert" operation in logical circuits?
(a) OR, AND
(b) OR, NAND
(c) NOR, AND
(d) NOR, NAND
Answer:

Option (a)

Showing 41 to 40 out of 50 Questions
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