Time Left - 10:00 mins
ISRO 2018: Operating System Booster Quiz- 2
Attempt now to get your rank among 1229 students!
Question 1
A CPU scheduling algorithm determines an order for the execution of its scheduled processes. Given 'n' processes to be scheduled on one processor, how many possible different schedules are there?
Question 2
Consider the list of page references in the time line as below:
9 6 2 3 4 4 4 4 3 4 4 2 5 8 6 8 5 5 3 2 3 3 9 6 2 7
What is the working set at the penultimate page reference if A is 5?
Question 3
The number of swappings needed to sort the numbers 8, 22, 7, 9, 31, 5, 13 in ascending order, using bubble sort is
Question 4
A hard disk system has the following parameters:
Number of track = 500
Number of sectors/track = 100
Number of bytes/sector = 500
Time taken by the head to move from one track = 1 ms
Rotation speed = 600 rpm
What is the average time taken for transferring 250 bytes from the disk?
Number of track = 500
Number of sectors/track = 100
Number of bytes/sector = 500
Time taken by the head to move from one track = 1 ms
Rotation speed = 600 rpm
What is the average time taken for transferring 250 bytes from the disk?
Question 5
Overlaying
Question 6
The linux command “mknod myfifo b 4 16”
Question 7
Which of these is a super class of all errors and exceptions in the Java language?
Question 8
At a particular time of computation the value of a counting semaphore is 7. Then 20 P operations and 15 V operations were completed on this semaphore. The resulting value of the semaphore is.
- 1229 attempts
- 6 upvotes
- 11 comments
Apr 1GATE & PSU CS
