UGC-NET/GATE Multiple Choice Questions for Operating System.
Allocating memory program of operating system is a
Which methods are utilized to control the access to an object in multi-threaded programming?
None of the above
All the time a computer is switched on, its operating system software has to stay in
Consider a machine in which all memory reference instructions have only one memory address, for them we need atleast..... frame(s).
none of the mentioned
Which one of the following is not a linux distribution?
First successful series of windows was
What is the impact of thrashing?
It improves system performance
It implies excessive page I/O
It decreases the degree of multiprogramming
It reduces page I/O
is used for analyzing paging problems
is used for analyzing device busy problems
is used for analyzing control-unit busy problems
is only shown on real-time displays
The Banker's algorithm is used
to prevent deadlock in operating systems
to detect deadlock in operating systems
to rectify a deadlocked state
none of the above
Block or Buffer caches are used
to improve disk performance
to handle interrupts
to increase the capacity of main memory
to speed up main memory read operation
Which command in DOS is used to display the version of MSDOS?
Scheduling related calls are used by Linux for
A logical error in a program
A difficult syntax error in a program
Documenting programs using an efficient documentation tool
All of the above
A critical region
is a piece of code which only one process executes at a time
is a region prone to deadlock
is a piece of code which only a finite number of processes execute
is found only in Windows NT operation system
Buffer of the system from where the data will be read is called?
Allocation and deallocation of memory spaces are maintained by a module of operating system known to be
There are 16 questions to complete.