PREVIOUS YEAR SOLVED PAPERS - December 2015 Paper 2
It shows which of the following depth first forest?
- Option : D
- Explanation :
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38. An ideal sort is an in-place-sort whose additional space requirement is __________.
- Option : C
- Explanation : In place sort are those sorts which doesn't need extra space it uses own space and in case if space is required then it is O(1). So, option (C) is correct.
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39. Which of the following is not a congestion policy at network layer?
- Option : A
- Explanation : Flow control is the process of managing the rate of data transmission between two nodes to prevent a fast sender from overwhelming a slow receiver. Routing Algorithm, Packet Lifetime Management Policy and Packet Discard Policy are congestion policies used in network layer. So, option (A) is correct.
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40. Loop unrolling is a code optimization technique:
- Option : A
- Explanation : Loop unrolling is a code optimization technique that avoids tests at every iteration of the loop. It does not improves performance by decreasing the number of instructions in a basic block. Neither it exchanges inner loops with outer loops nor it reorders operations to allow multiple computations to happen in parallel. So, option (A) is correct.
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