BARC CS 2018 Nuclear Quiz -2 (OS)

Attempt now to get your rank among 646 students!

Question 1

Dining Philosopher’s problem is a:

• AProducer-consumer problem
• BClassical IPC problem
• CStarvation problem
• DSynchronization primitive

Question 2

Which of the following conditions does not hold good for a solution to a critical section problem?

• ANo assumption may be made about speeds or the number of CPUs.
• BNo two processes may be simultane-ously inside their critical sections.
• CProcesses running outside its critical section may block other processes.
• DProcesses do no wait forever to enter its critical section.

Question 3

Which of the following features will characterize an OS as multi-programmed OS?
(a) More than one program may be loaded into main memory at the same time.
(b) If a program waits for certain event another program is immediately scheduled.
(c) If the execution of a program terminates, another program is immediately scheduled.

• A(a) only
• B(a) and (b) only
• C(a) and (c) only
• D(a), (b) and (c) only

Question 4

The Unix Kernel maintains two key data structures related to processes, the process table and the user structure. Which of the following information is not the part of user structure?

• AFile descriptor table
• BSystem call state
• CScheduling parameters
• DKernel Stack

Question 5

A system has four processes and five-allocatable resources. The current allocation and maximum needs are as follows:
 
The smallest value of x for which the above system in safe state is _________.

• A1
• B3
• C2
• D0

• 646 attempts
• 2 upvotes
• 8 comments