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ISRO Quiz-6

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Question 1

Which one of the following from is preferred to use for the representation of dense graph?

Question 2

Consider f(A, B, C, D) = ∑m (6, 7, 8, 9) + ∑d (10, 11, 12, 13, 14, 15) where ∑m denotes minterm and ∑d denotes don’t care. What is the number of NOR gates needed to implement the above given function (Assume that variable complement is not present)?

Question 3

Consider

the Y is equivalent to:

Question 4

Consider there are 5 fair coins and 4 unfair coins where we toss unfair coin then probability of getting heads is 1/3. We put these 9 coins in a bag. The probability of getting fair coin if tail is already shown

Question 5

Consider the 4 stage pipeline with the following stages :
S1 : Instruction Fetch
S2 : Instruction Decode
S3 : Execute
S4 : Write Back
Program consists of 16 instructions (I₁ , I₂ , …….. , I₁₆) in which I₆ is an unconditional branch instruction which transfers the control to I₁₂ . In the pipeline , branch target address is available at the end of execution state. Each instruction spends the same amount of time in all the pipeline stages. The cycle time of pipeline is 4ns. How much time is required to execute the above program without using the branch prediction buffer ?

Question 6

In Pipeline Stage of RISC processor, in which stage, the values are taken from the register?

Question 7

If there are N routers in between source and destination, What will be the total end to end delay in sending a packet P (Where, L is number of bits in the packet and R is transmission rate)

Question 8

Which coding method improves the performance of line coding?

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