(A) 0
(B) 1
(C) 2
(D) 3
Tag: Operating System
__ commands in Linux is used to copy file.
(A) mv
(B) is
(C) cp
(D) mkdir
__ command to resume the execution of a suspended job in the foreground.
(A) bg
(B) fg
(C) kill
(D) jobs
We can use semaphores to deal with the number of __ process critical section problem.
(A) n-process critical section problem
(B) 1-process critical section problem
(C) 2-process critical section problem
(D) None of the above
In instruction TestAndSet mutual exclusion implementation is done by declaring a Boolean variable lock __ .
(A) Initialized as false
(B) Initialized as true
In order to remove the problem like busy waiting some high level synchronization constructs are defined. What are they?
(A) Critical regions
(B) Monitors
(C) Critical regions and Monitors
(D) None of the above
Semaphore S is a/an __ type of variable to use as synchronization tool.
(A) Integer
(B) Fixed
(C) Constant
(D) None of the above
The main memory is usually divided into two partitions one for __ and other for __.
(A) Resident operating System, Paging
(B) System Processes, User processes
(C) Resident operating System, User processes
(D) None of the above