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GATE CS 2021 : Operating System Quiz 2 (App update required to attempt this test)

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Question 1

In real time operating system

Question 2

Which of the following statements is true for time-sharing system?

Question 3

Consider the following statements regarding user - level and kernel - level thread-

1) Context switching is faster with kernel supported threads

2) User-level threads can be scheduled independently

3) User level threads are  transparent to kernel

Which of the above statements are true?

Question 4

Process control block does not contain:

Question 5

main ()

{

if (fork() >=0 )

{

printf(“*”);

if(fork() == 0)

{

printf(“*”);

}

}

else

{

// do nothing

}

printf(“*”);

}

Question 6

Increasing the RAM of a computer typically improves performance because
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Aug 28GATE & PSU CS

Posted by:

Harshita AgarwalHarshita AgarwalMember since Jul 2020
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