Computer Organization & Architecture (3140707) MCQs

MCQs of Computer Arithmetic

Showing 21 to 20 out of 30 Questions
1 2 3
21.
For what value of Qn Qn+1, subtraction of AC & BR is performed in booth multiplication algorithm?
(a) 00
(b) 01
(c) 11
(d) 10
Answer:

Option (d)

22.
Which shift is used in booth multiplication algorithm?
(a) ashr
(b) ashl
(c) shr
(d) shl
Answer:

Option (a)

23.
In booth multiplication algorithm, arithmetic shifting is done on?
(a) E AC & BR
(b) AC & QR
(c) BR & QR
(d) AC & BR
Answer:

Option (b)

24.
If the multiplier QR is 101101001, how many add operations are performed in booth multiplication process to reach final product?
(a) 4
(b) 5
(c) 3
(d) 2
Answer:

Option (c)

25.
If the multiplier QR is 101101001, how many subtract operations are performed in booth multiplication process to reach final product?
(a) 5
(b) 3
(c) 2
(d) 4
Answer:

Option (d)

26.
Which of the following example of multiplication (using booth multiplication algorithm) is the quickest among all in the execution time?
(a) 10100101 X 10011010
(b) 10100001 X 10111110
(c) 10110101 X 11010110
(d) All require same amount of time
Answer:

Option (b)

27.
The maximum output sum of any two digits in BCD adder is?
(a) 9
(b) 10
(c) 19
(d) 16
Answer:

Option (c)

28.
Which binary number is added with the result of 4-bit binary adder to correct the BCD addition?
(a) 0011
(b) 0110
(c) 1001
(d) 0101
Answer:

Option (b)

29.
The Boolean expression of output carry in BCD adder block is?
(a) C = K + Z3 Z1 + Z7 Z5
(b) C = K + Z2 Z1 + Z8 Z4
(c) C = K + Z4 Z2 + Z8 Z4
(d) C = K + Z8 Z4 + Z8 Z2
Answer:

Option (d)

30.
Which shift is used in division algorithm?
(a) shl
(b) shr
(c) cir
(d) cil
Answer:

Option (a)

Showing 21 to 20 out of 30 Questions
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