Operating system MCQ NET SET GATE

Operating System MCQ

Question 1 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
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.






Question 2 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
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
Question 3 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
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
$3^n-1$






Question 4 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
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
Question 5 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
A series of statements explaining how the data is to be processed is called
A
instruction
B
compiler
C
program
D
interpretor






Question 6 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
One that is not a peripheral device of the computer system is
A
keyboard
B
mouse
C
printer
D
register
Question 7 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
Where does a computer add and compare data?
A
Hard disk
B
Floppy disk
C
CPU chip
D
Memory chip






Question 8 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
Windows which is based on computer NT technology is called
A
windows 2000
B
windows 98
C
windows 3.1
D
Windows 95
Question 9 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
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






Question 10 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
What command is used to halt a Linux system?
A
init 0
B
Shutdown-t
C
Shutdown-g-y0
D
Ctrl+Alt+Del
There are 10 questions to complete.

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