Operating system mcqs file system free space performance

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Operating system mcqs file system free space performance

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
..... writes occur in the order in which the disk subsystem receives them, and the writes are not buffered.
A
Asynchronous
B
Regular
C
Synchronous
D
Irregular
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In UNIX, even an 'empty' disk has a percentage of its space lost to .....
A
programs
B
inodes
C
virtual memory
D
stacks
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In ..... writes, the data is stored in the cache.
A
Asynchronous
B
Regular
C
Synchronous
D
Irregular
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the optimized technique for sequential access ..... removes a page from the buffer as soon as the next page is requested.
A
write ahead
B
read ahead
C
free-behind
D
add-front
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
..... tend to represent a major bottleneck in system performance.
A
CPUs
B
Disks
C
Programs
D
I/O
There are 5 questions to complete.