Operating systems concept MCQ Test 28

By | October 3, 2017

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

Question 1
Dispatcher function is to
A
put tasks in I/O wait
B
schedule tasks in processor
C
change task priorities
D
All of above
Question 2
Which one of the following hides the location where in the network the file is stored?
A
transparent distributed file system
B
hidden distributed file system
C
escaped distribution file system
D
spy distributed file system
Question 3
Which of the following commands allows you to make a directory?
A
MAKE
B
DIR
C
MD
D
DD
Question 4
What command is used with vi editor to search a pattern in the forward direction?
A
??
B
//
C
?
D
/
Question 5
To organize files on a disk, MS-DOS separates them into areas called.....
A
directories
B
buckets
C
areas
D
area directories
Question 6
You can add or remove program
A
Add/remove program from control panel
B
Delete the shortcut icon from desktop
C
Both A and B
D
None of above
Question 7
The user view of the system depends upon the
A
CPU
B
software
C
hardware
D
interface
Question 8
A self-relocating program is one which
A
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
B
consists of a program and relevant information for its relocation.
C
can itself performs the relocation of its address-sensitive portions.
D
All of the above
Question 9
Floppy disks are examples of:
A
primary storage
B
secondary storage
C
tertiary storage
D
none of the mentioned
Question 10
The volatile storage is/are
A
Main memory
B
Cache
C
Register
D
All of the above.
Question 11
Which command in DOS can be used to recover accidentally deleted files?
A
UNDELETE
B
DELETE/CANCEL
C
RESTORE
D
RECOVER
Question 12
Which of the following state transitions is not possible?
A
blocked to running
B
ready to running
C
blocked to ready
D
running to blocked
Question 13
Which of the following is correct regarding operating system?
A
It manages the computer hardware.
B
It executes user programs.
C
Provide system services to the application.
D
All of the above.
Question 14
Signals that occur at the same time, are presented to the process:
A
one at a time, in a particular order
B
one at a time, in no particular order
C
all at a time
D
none of the mentioned
Question 15
A compiler for a high-level language that runs on one machine and produces code for a different machine is called is
A
optimizing compiler
B
one pass compiler
C
cross compiler
D
multipass compiler
Question 16
The idea behind thread pools is:
A
a number of threads are created at process startup and placed in a pool where they sit and wait for work
B
when a process begins, a pool of threads is chosen from the many existing and each thread is allotted equal amount of work
C
all threads in a pool distribute the task equally among themselves
D
none of the mentioned
There are 16 questions to complete.

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