1-50 POP

In Linux, to increase the response time and throughput, the kernel minimizes the frequency ofdisk access by keeping a pool of internal data buffer called

• a. Spooling

• b. Buffer cache

• c. Swapping

• d. Pooling

The powerful text editor called PC-Write can be used by anybody by paying a small fee. Suchprograms are called

• a. Softwareb. Firmwarec. Sharewared. Mindware

• b. Firmwarec.

• c. Shareware

• d. Mindware

Object code

• is ready to execute

• must be "loaded" before execution

• must be rewritten before execution

• is the output of compilers, but not assemblers

In Linux, ASCII text file can be saved without any extension

• True

• False

Restricting the child process to a subset of the parent’s resources prevents any process from :

• crashing the system by utilizing multiple resources

• under-loading the system by very less CPU utilization

• overloading the system by creating a lot of sub-processes

• overloading the system by using a lot of secondary storage

When a computer is first turned on or restarted, a special type of absolute loader is executed,called a

• Relating loader

• "Compile and Go" loader

• Boot loader

• Bootstrap loader

The computational technique used to compute the disk storage address of individual records iscalled:

• bubble memory

• hashing

• dynamic reallocation

• key fielding

Under multiprogramming, turnaround time for short jobs is usually ________ and that for longjobs is slightly ___________

• Shortened; Unchanged

• Shortened; Lengthened

• Shortened; Shortened

• Lengthened; Shortened

Which of the following statement is true.

• Seek analysis is used for analysing control-unit busy problems.

• Thrashing is a natural consequence of virtual memory systems.

• The LRU algorithm pages out pages that have been used recently

The FCFS algorithm is particularly troublesome for ____________

• time sharing systems

• multiprocessor systems

• multiprogramming systems

• operating systems