Operating systems concept MCQ Test 32

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

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Question 1
The minimum number of frames to be allocated to a process is decided by the :
A
the amount of available physical memory
B
Operating System
C
instruction set architecture
D
none of the above
Question 2
System programs such as Compilers are designed so that they are
A
reenterable
B
serially usable
C
recursive
D
None of the above
Question 3
A compiler for a high-level language that runs on one machine and produces code for a different machine is called is
A
one pass compiler
B
cross compiler
C
multipass compiler
D
None of the above
Question 4
The activity of a file
A
is a low percentage of number of records that are added to or deleted from a file
B
is a measure of the percentage of existing records updated during a run
C
refers to how closely the files fit into the allocated space
D
is a measure of the number of records added or deleted from a file compassed with the original number of records
Question 5
In polling :
A
busy wait cycles wait for I/O from device
B
interrupt handler receives interrupts
C
interrupt-request line is triggered by I/O device
D
all of the above
Question 6
The function(s) of the Storage Assignment is (are)
A
to assign storage to all temporary locations that are necessary for intermediate results.
B
to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.
C
all of the above
D
None of the above
Question 7
In indirect communication between processes P and Q :
A
there is another process R to handle and pass on the messages between P and Q
B
there is another machine between the two processes to help communication
C
there is a mailbox to help communication between P and Q
D
none of the above
Question 8
Which of following is/are the advantage(s) of modular programming?
A
The program is much easier to change
B
Easy debugging
C
Easy to compile
D
None of the above
Question 9
In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?
A
indirect mode
B
immediate mode
C
index mode
D
None of the above
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