GATE operating system

 

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Operating System MCQ

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Question 1
One of the disadvantages of user level threads compared to Kernel level threads is
A
If a user level thread of a process executes a system call, all threads in that process are blocked.
B
Scheduling is application dependent.
C
Thread switching doesn't require kernel mode privileges.
D
The library procedures invoked for thread management in user level threads are local procedures.
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Question 2
A multimedia file
A
is same as any other regular file
B
must be accessed at specific rate
C
stored on remote server can not be delivered to its client
D
none of the mentioned
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Question 3
A process executes the following segment of code: for(i = 1; i < = n; i++) fork (); The number of new processes created is
A
n
B
((n(n + 1))/2)
C
$2^n-1$
D
$3^n-1$
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Question 4
The technique, for sharing the time of a computer among several jobs, which switches jobs so rapidly such that each job appears to have the computer to itself, is called.....
A
Time Sharing
B
Time out
C
Time domain
D
Multitasking
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Question 5
A series of statements explaining how the data is to be processed is called
A
instruction
B
compiler
C
program
D
interpretor
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Question 6
One that is not a peripheral device of the computer system is
A
keyboard
B
mouse
C
printer
D
register
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Question 7
Where does a computer add and compare data?
A
Hard disk
B
Floppy disk
C
CPU chip
D
Memory chip
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Question 8
Windows which is based on computer NT technology is called
A
windows 2000
B
windows 98
C
windows 3.1
D
Windows 95
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Question 9
When a process is accessing shared modifiable data, the process is said to be in:
A
Dead lock
B
Critical Section
C
Multitasking
D
Context Switching
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Question 10
What command is used to halt a Linux system?
A
init 0
B
Shutdown-t
C
Shutdown-g-y0
D
Ctrl+Alt+Del
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There are 10 questions to complete.

 

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