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Operating System MCQ


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