Operating systems concept MCQ Test 15

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

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Question 1
In UNI,X groups can be created and modified by :
A
superuser
B
any user
C
a programmer only
D
the people in the group only
Question 2
Standard set of functions through which interacts with kernel is defined by
A
system libraries
B
kernel code
C
compilers
D
utility programs
Question 3
In a system that does not support swapping
A
the compiler normally binds symbolic addresses (variables) to relocatable addresses
B
the compiler normally binds symbolic addresses to physical address
C
the loader binds relocatable addresses to physical addresses
D
binding of symbolic addresses to physical addresses normally takes place during execution
Question 4
In the layered approach of Operating Systems :
  1. Bottom Layer(0) is the User interface
  2. Highest Layer(N) is the User interface
  3. Bottom Layer(0) is the hardware
  4. Highest Layer(N) is the hardware
A
I and III
B
II and IV
C
II, III and IV
D
II and III
Question 5
Which of the following is a type of systems software used on microcomputers?
A
PC-DOS
B
Unix
C
All of the above
D
None of the above
Question 6
In a ...... real time system, it is guaranteed that critical real time tasks will be completed within their deadlines.
A
soft
B
hard
C
critical
D
none of the above
Question 7
One difficulty of contiguous allocation is :
A
finding space for a new file
B
inefficient
C
costly
D
time taking
Question 8
The macro processor must perform
A
save the macro definitions
B
expand macros calls and substitute arguments
C
all of the above
D
None of the above
Question 9
If each access to a file is controlled by a password, then the disadvantage is that :
A
user will need to remember a lot of passwords
B
it is not reliable
C
it is not efficient
D
all of the above
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