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BARC 2020: Operating System Nuclear Quiz 1 (App update required to attempt this test)

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Question 1

Which of the following statement is /are true

Statement 1 : External fragmentation is NOT possible in paging.

Statement 2 : Pages of any program are fixed sized and can be located anywhere in the memory.

Question 2

Consider a scheduling algorithm First Come First Serve (FCFS) used for scheduling purpose. There are 4 processes for which arrival time and burst time is given as

Average Turn Around time (TAT) and Waiting Time (WT) will be

Question 3

Convey effect is not observed in-


Question 4

TEST SET LOCK (TSL) guarantees

Question 5

Consider three processes p1, p2 and p3 with their current allocation unit of resource and maximum requirement unit of resources in the table below

Available resource are (1, 3, 2). Safe sequence will be

Question 6

Consider a process having size of 512 KB. System is operating over virtual space addressing mechanism. Page table entry is of size 16 bit and number of pages are 32k . Minimum page size will be

Question 7

What is the advantage of spooling?

Question 8

Internal fragmentation is possible in which of allocation method

Question 9

Maximum throughput will be achieved at a particular time in

Question 10

Suppose counting semaphore s having value If 19P, 12V and 3P operation perform respectively on s. then after performing these operation value of s will be ____. Assuming the initial value of s be 15.
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Posted by:

Mukesh KumarMukesh KumarMember since Feb 2020
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