Operating System (3140702) MCQs

MCQs of Process and Threads Management

Showing 21 to 30 out of 70 Questions
1 2 3 4 5 6
21.
The entry of all the PCBs of the current processes is in :
(a) Process Register
(b) Program Counter
(c) Process Table
(d) Process Unit
Answer:

Option (c)

22.
The list of processes waiting for a particular I/O device is called a________
(a) device queue
(b) ready queue
(c) job queue
(d) all of the mentioned
Answer:

Option (a)

23.
The number of processes completed per unit time is known as __________.
(a) Output
(b) Throughput
(c) Efficiency
(d) Capacity
Answer:

Option (b)

24.
The primary distinction between the short term scheduler and the long term scheduler is :
(a) The length of their queues
(b) The type of processes they schedule
(c) The frequency of their execution
(d) None of these
Answer:

Option (c)

25.
The Process Control Block is :
(a) Process type variable
(b) Data Structure
(c) A secondary storage section
(d) A block in memory
Answer:

Option (b)

26.
The processes that are residing in main memory and are ready and waiting to execute are kept on a list called the ______
(a) device queue
(b) ready queue
(c) job queue
(d) All of the mentioned
Answer:

Option (c)

27.
The ready queue is generally stored as a______
(a) Array
(b) Stack
(c) Linked List
(d) None of above
Answer:

Option (c)

28.
The state of a process is defined by :
(a) The final activity of the process
(b) The activity just executed by the process
(c) The activity to next be executed by the process
(d) The current activity of the process
Answer:

Option (d)

29.
The strategy of making processes that are logically runnable to be temporarily suspended is called ____________
(a) Non preemptive scheduling
(b) Preemptive scheduling
(c) Shortest job first
(d) First come First served
Answer:

Option (b)

30.
The systems which allow only one process execution at a time, are called __________
(a) uniprogramming systems
(b) uniprocessing systems
(c) unitasking systems
(d) None of the mentioned
Answer:

Option (b)

Showing 21 to 30 out of 70 Questions
1 2 3 4 5 6