Operating System (3140702) MCQs

MCQs of Process and Threads Management

Showing 11 to 20 out of 70 Questions
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11.
In the blocked state, ____
(a) The process which is running is found
(b) The processes waiting for I/O are found
(c) The processes waiting for the processor are found
(d) None of the above
Answer:

Option (b)

12.
In Unix, Which system call creates the new process?
(a) fork
(b) create
(c) new
(d) first
Answer:

Option (a)

13.
Kernel threads
(a) cannot be supported and managed directly by the operating system
(b) can be supported and managed directly by the operating system
(c) are supported below the kernel and are managed without kernel support
(d) None of the above
Answer:

Option (b)

14.
Light weight process is called ___________
(a) thread
(b) tiny process
(c) small process
(d) stack
Answer:

Option (a)

15.
Most operating systems (including UNIX, Linux, and Windows) identify processes according to a unique __________
(a) process counter
(b) process state
(c) process number
(d) process identifier
Answer:

Option (d)

16.
Process control block (PCB) contains which of the following:
(a) List of open files
(b) Process state
(c) Process id
(d) All of the mentioned
Answer:

Option (d)

17.
Round robin scheduling falls under the category of ____________
(a) Non-preemptive scheduling
(b) Preemptive scheduling
(c) All of the mentioned
(d) None of the mentioned
Answer:

Option (b)

18.
Round robin scheduling is essentially the preemptive version of ________.
(a) First come First served scheduling algorithm
(b) Shortest job first scheduling algorithm
(c) Shortest remaining time next scheduling algorithm
(d) Non preemptive priority scheduling algorithm
Answer:

Option (a)

19.
Saving the state of the old process and loading the saved state of the new process is called ________.
(a) Context Switch
(b) State
(c) Multi programming
(d) None of the above
Answer:

Option (a)

20.
Suppose that a process is in “Blocked” state waiting for some I/O service. When the service is completed, it goes to the :
(a) Running state
(b) Ready state
(c) Suspended state
(d) Terminated state
Answer:

Option (b)

Showing 11 to 20 out of 70 Questions
1 2 3 4 5 6