Operating systems concept MCQ Test 40

By | October 3, 2017

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

Question 1
The kernel data structures include:
A
process table
B
open file table
C
close file table
D
all of the mentioned
Question 2
Multi-processor system of the computer system increases the
A
through put
B
cost
C
uncertainty
D
doubt
Question 3
Memory protection in a paged environment is accomplished by:
A
protection algorithm with each page
B
restricted access rights to users
C
restriction on page visibility
D
protection bit with each page
Question 4
An Application Programming Interface (API) can specify the interface between an application and the
A
operating system
B
Software
C
Hardware
D
memory
Question 5
Many user terminals are connected simultaneously to same computer in process of
A
Loosely coupled systems
B
Loosely coupled systems
C
Time sharing systems
D
Threaded systems
Question 6
What is the memory from 1K-640K called?
A
Extended Memory
B
Normal Memory
C
Low Memory
D
Conventional Memory
Question 7
What is the name of the operating system for the laptop computer called MacLite?
A
Windows
B
DOS
C
MS-DOS
D
OZ
Question 8
Object code
A
is ready to execute
B
is the output of compilers, but not assemblers
C
must be "loaded" before execution
D
must be rewritten before execution
Question 9
What is the meaning of "Hibernate" in Windows XP/Windows 7?
A
Restart the Computer in safe mode
B
Restart the Computer in hibernate mode
C
Shutdown the Computer terminating all the running applications
D
Shutdown the Computer without closing the running applications
Question 10
Multiprogramming
A
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
B
consists of those addresses that may be generated by a processor during execution of a computation.
C
is a method of allocating processor time.
D
allows multiple programs to reside in separate areas of core at the time.
Question 11
RAID level 3 supports a lower number of I/Os per second, because..........
A
Every disk has to participate in every I/O request
B
Only one disk participates per I/O request
C
I/O cycle consumes a lot of CPU time
D
All of the mentioned
Question 12
Which of the following approaches do not require knowledge of the system state?
A
deadlock detection.
B
deadlock prevention.
C
deadlock avoidance.
D
none of the above.
Question 13
In the multiprogramming system, a set of processes is deadlock if each process in the set is waiting for an event to occur that can be initialized only by another process in the set. Which of the following is not one of the four conditions that are necessary for deadlock to occur?
A
nonpreemption
B
process suspension
C
partial assignment of resources
D
circular wait
Question 14
Operating systems that can be modified and distributed are called
A
close source
B
open source
C
free
D
both A and B
Question 15
The practice of "bundling" refers to
A
selling computers alone
B
selling peripheral devices with computer
C
selling software to run on computers
D
giving away software with a computer purchase
Question 16
Which of the following operating system do you choose to implement a client server network?
A
MS DOS
B
Windows
C
Windows 98
D
Windows 2000
There are 16 questions to complete.

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