ISRO Scientist or Engineer Computer Science 2008

Instructions

For the following questions answer them individually

Question 61

A critical section is a program segment

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Question 62

In which of the following four necessary conditions for deadlock processes claim exclusive control of the resources they require ?

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Question 63

.Fork is

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Question 64

Which of the following need not necessarily be saved on a Context Switch between processes?

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Question 65

Consider a logical address space of 8 pages of.1024 words mapped into memory of 32 frames. How manybits are there in the logical address?

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Question 66

The performance of Round Robin algorithm depends heavily on

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Question 67

The page replacementalgorithm which gives the lowest page fault rate is

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Question 68

Which of the following class of statement usually produces no executable code when compiled?

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Question 69

What is the value of F(4) using the following procedure:
function F(k : integer):
integer;
begin

if(K < 3) then F := k else F := F(k - 1) * F(k - 2) + F(k - 3)
end;

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Question 70

Stack A hasthe entries a, b, c (with a on top). Stack B is empty. An entry popped outof stack A can be printed immediately or pushedto stack B. An entry popped out of the stack B can only be printed. In this arrangement, which of the following permutations of a, b, c are not possible?

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