Programming and Data Structures [GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS)]: Questions 78 - 82 of 470

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Question 78

Question MCQ▾

Thrashing can be avoided if

Choices

Choice (4)Response

a.

the speed of CPU is increased

b.

the speed of I/O processor is increased

c.

the pages, belonging to the working set of the programs, are in main memory

d.

Question does not provide sufficient data or is vague

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Question 79

Question MCQ▾

The LRU algorithm

Choices

Choice (4)Response

a.

pages out pages that have been least used recently

b.

pages out pages that have been used recently

c.

pages out pages that have not been used recently

d.

All of the above

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Question 80

Question MCQ▾

Situation where two or more processes are reading or writing some shared data and the final result depends upon who runs precisely is called?

Choices

Choice (4)Response

a.

mutual exclusion

b.

critical section

c.

race condition

d.

message passing

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Question 81

Question MCQ▾

What will be output if you will compile and execute the following c code?

  1. #define message "union is power of c" void main(){
  2. clrscr();
  3. printf("%s",message);
  4. getch();
  5. }

Choices

Choice (4)Response

a.

union is power of c

b.

compiler error

c.

power is of c

d.

All of the above

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Question 82

Question MCQ▾

A regular grammar is a … ?

Choices

Choice (4)Response

a.

Non context free grammar

b.

Context free grammar

c.

English grammar

d.

None of the above

Edit