Operating systems concept MCQ Test 11

By | October 3, 2017

UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
Allocating memory program of operating system is a
A
process control
B
file management
C
device management
D
information maintenance
Question 2
Which methods are utilized to control the access to an object in multi-threaded programming?
A
Asynchronized methods
B
Synchronized methods
C
Serialized methods
D
None of the above
Question 3
All the time a computer is switched on, its operating system software has to stay in
A
main storage
B
primary storage
C
floppy disk
D
disk drive
Question 4
Consider a machine in which all memory reference instructions have only one memory address, for them we need atleast..... frame(s).
A
one
B
two
C
three
D
none of the mentioned
Question 5
Which one of the following is not a linux distribution?
A
debian
B
gentoo
C
open SUSE
D
multics
Question 6
First successful series of windows was
A
Windows 3.X
B
windows 2000
C
Windows XP
D
Windows 95
Question 7
What is the impact of thrashing?
A
It improves system performance
B
It implies excessive page I/O
C
It decreases the degree of multiprogramming
D
It reduces page I/O
Question 8
Seeks analysis
A
is used for analyzing paging problems
B
is used for analyzing device busy problems
C
is used for analyzing control-unit busy problems
D
is only shown on real-time displays
Question 9
The Banker's algorithm is used
A
to prevent deadlock in operating systems
B
to detect deadlock in operating systems
C
to rectify a deadlocked state
D
none of the above
Question 10
Block or Buffer caches are used
A
to improve disk performance
B
to handle interrupts
C
to increase the capacity of main memory
D
to speed up main memory read operation
Question 11
Which command in DOS is used to display the version of MSDOS?
A
VERSION
B
VERIFY
C
VER
D
VERSN
Question 12
Scheduling related calls are used by Linux for
A
Improvement
B
Measurement
C
Scheduling
D
Termination
Question 13
Bug means
A
A logical error in a program
B
A difficult syntax error in a program
C
Documenting programs using an efficient documentation tool
D
All of the above
Question 14
A critical region
A
is a piece of code which only one process executes at a time
B
is a region prone to deadlock
C
is a piece of code which only a finite number of processes execute
D
is found only in Windows NT operation system
Question 15
Buffer of the system from where the data will be read is called?
A
LPVOID buffer
B
LVOID buffer
C
PVOID buffer
D
VOID buffer
Question 16
Allocation and deallocation of memory spaces are maintained by a module of operating system known to be
A
Memory management
B
Storage management
C
System management
D
File management
There are 16 questions to complete.

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