question 1-50

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

• Spooling

• Buffer cache

• Swapping

• Pooling

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

• Software

• Firmware

• Shareware

• 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 is called:

• bubble memory

• hashing

• dynamic reallocation

• key fielding

Under multiprogramming, turnaround time for short jobs is usually and that for long jobs 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