Operating systems concept MCQ Test 1

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

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Question 1
In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with
A
recognition of basic elements and creation of uniform symbols
B
creation of more optional matrix.
C
use of macro processor to produce more optimal assembly code
D
None of the above
Question 2
Semaphore is a/an ....... to solve the critical section problem.
A
hardware for a system
B
special program for a system
C
integer variable
D
none of the above
Question 3
Bug means
A
A logical error in a program
B
Documenting programs using an efficient documentation tool
C
All of the above
D
None of the above
Question 4
RPC provides a(an) ..... on the client side, a separate one for each remote procedure.
A
stub
B
identifier
C
name
D
process identifier
Question 5
Under virtual storage,
A
two or more programs are stored concurrently in primary storage
B
only the active pages of a program are stored in primary storage
C
interprogram interference may occur
D
None of the above
Question 6
When one thread immediately terminates the target thread, it is called :
A
Asynchronous cancellation
B
Systematic cancellation
C
Sudden Termination
D
Deferred cancellation
Question 7
File attributes consist of :
  1. name
  2. type
  3. identifier
  4. content
  5. size
b,
A
I and III
B
II,III and V
C
II, III and IV
D
I,II,III and V
Question 8
Scissoring enables
A
a part of data to be displayed
B
full data display on full area of screen
C
no data to be displayed
D
None of the above
Question 9
A device driver can be thought of as a translator. Its input consists of ..... commands and output consists of ....... instructions.
A
high level, low level
B
low level, high level
C
comple,X simple
D
Both a and c
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There are 9 questions to complete.

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