Operating systems concept MCQ Test 35

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

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Question 1
Which binary format is supported by linux?
A
a.out
B
ELF
C
both A and B
D
none of the above
Question 2
Poor response time are caused by
A
Process or busy
B
High I/O rate
C
High paging rates
D
All of these
Question 3
The problem with unicast delivery is that the :
A
memory allocation is difficult
B
server must establish a seperate unicast session for each client
C
the routers must support unicasting
D
the clients must be close to the server
Question 4
The FIFO algorithm
A
executes first the job that first entered the queue
B
execute first the job that has been in the queue the longest
C
executes first the job with the least processor needs
D
None of the above
Question 5
The page table contains
A
base address of each page in physical memory
B
page offset
C
page size
D
none of the above
Question 6
The dispatcher
A
actually schedules the tasks into the processor
B
is always small and simple
C
never changes task priorities
D
None of the above
Question 7
What is true regarding tagged architecture ?
  1. Every word of machine memory has one or more extra bits
  2. Extra bits are used to do padding
  3. Extra bits are used to identify rights to that word
  4. It is very compatible to code upgrades
A
I and IV
B
II and III
C
II, III and IV
D
I and III
Question 8
What is the name given to all the programs inside the computer with makes it usable?
A
System software
B
Firm ware
C
Shareware
D
None of the above
Question 9
Which of the following statements are true ? (GATE 2010) I. Shortest remaining time first scheduling may cause starvation II. Preemptive scheduling may cause starvation III. Round robin is better than FCFS in terms of response time
A
I only
B
I and III only
C
II and III only
D
I, II and III
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