Operating systems concept MCQ Test 38

By | October 3, 2017

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

Question 1 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
System maintenance:
A
is usually not necessary
B
is necessary on all systems, regardless of how good
C
is not required if the system is well written
D
always requires several programs
Question 2 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Xcopy command can copy
A
individual files or group of files
B
directories including subdirectories
C
diskette of different capacity
D
all of these
Question 3 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
You should choose Sleep option when
A
The computer is tired after working for the whole day
B
You are leaving for a very short time and want to resume you work shortly
C
When computer gets hanged frequently. Let it sleep for some time
D
You finish working and going to bed
Question 4 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Page fault frequency in an operating system is reduced when the
A
processes tend to the I/O-bound
B
size of pages is reduced
C
processes tend to be CPU-bound
D
locality of reference is applicable to the process
Question 5 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
TB in memory storage unit is an abbreviation of
A
TetraBit
B
Terabyte
C
Terabit
D
TetraByte
Question 6 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
In graphical user interface files are selected through
A
command
B
click
C
voice call
D
program
Question 7 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
What is the order in which Command.Com searches for programs to execute?
A
EXE, COM, BAT
B
EXE, BAT, COM
C
COM, EXE, BAT
D
BAT, COM, EXE
Question 8 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
A listing the sequence of instructions that execute the process is referred as a
A
Trace of the Process
B
Trace of the System
C
Trace of the Program
D
Trace of the Module
Question 9 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Broadcasting delivers the content to:
A
a single client
B
all clients, regardless whether they want the content or not
C
a group of receivers who indicate they wish to receive the content
D
none of the mentioned
Question 10 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
One that is not a type of memory is
A
cache
B
ROM
C
RAM
D
compilers
Question 11 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
What are the characteristics of fully distributed approach?
  1. When responses are received from all processes, then process can enter its Critical Section
  2. When process exits its critical section, the process sends reply messages to all its deferred requests.
  3. It requires request, reply and release per critical section entry
  4. One processor as coordinator which handles all requests
A
i
B
i and ii
C
ii and iii
D
iii and iv
Question 12 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
A system program that sets up an executable program in main memory ready for execution is
A
assembler
B
linker
C
loader
D
compiler
Question 13 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Which of the following resources must be protected by the operating system?
A
I/O
B
Memory
C
CPU
D
All of the above
Question 14 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Interrupts generated per block during execution is defined to be
A
one
B
two
C
three
D
four
Question 15 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
A terminated transaction that has completed its execution successfully is.......... otherwise it is..........
A
committed, destroyed
B
aborted, destroyed
C
committed, aborted
D
none of the mentioned
Question 16 (Click on any option to know correct answer. सही उत्तर जानने के लिए किसी भी choice पर क्लिक करें।)
Which page replacement policy suffers from Belady's anomaly?
A
LRU
B
LFU
C
FIFO
D
OPTIMAL
There are 16 questions to complete.

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