A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

91. Let A = 1111 1010 and B = 0000 1010 be two 8-bit 2's complement numbers. Their product in 2's complement is
a. 1100 0100
b. 1001 1100
c. 1010 0101
d. 1101 0101
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Answer: (a).1100 0100

92. A 4-stage pipeline has the stage delays as 150, 120, 160 and 140 nanoseconds respectively. Registers that are used between the stages have a delay of 5 nanoseconds each. Assuming constant clocking rate, the total time taken to process 1000 data items on this pipeline will be
a. 120.4 microseconds
b. 160.5 microseconds
c. 165.5 microseconds
d. 590.0 microseconds
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Answer: (c).165.5 microseconds

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