# 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)
 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: