Operating System MCQs

Question 1

A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a

Accepted Answer

Scan

Answer

First come first served

Answer

Shortest Seek Time First (SSTE)

Answer

FIFO

Question 2

A translator is best described as

Accepted Answer

a system software

Answer

an application software

Answer

a hardware component

Answer

all of the above

Question 3

Data encryption

Accepted Answer

is mostly used by financial networks

Answer

is mostly used by public networks

Answer

cannot be used by private installations

Answer

is not necessary, since data cannot be intercepted

Question 4

What is the name given to the process of initializing a microcomputer with its operating system?

Accepted Answer

Booting

Answer

Cold booting

Answer

Warm booting

Answer

Boot recording

Question 5

The function(s) of the Storage Assignment is (are)

Accepted Answer

all of the above

Answer

to assign storage to all variables referenced in the source program.

Answer

to assign storage to all temporary locations that are necessary for intermediate results.

Answer

to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.

Question 6

A Processor

Accepted Answer

is a device that performs a sequence of operations specified by instructions in memory.

Answer

is the device where information is stored

Answer

is a sequence of instructions

Answer

is typically characterized by interactive processing and time of the CPU

Question 7

With MS-DOS which command will divide the surface of the blank floppy disk into sectors and assign a unique address to each one?

Accepted Answer

FORMAT command

Answer

FAT command

Answer

VER command

Answer

CHKDSK command

Question 8

Multiprogramming . . . . . . .

Accepted Answer

allows multiple programs to reside in separate areas of core at the time.

Answer

is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

Answer

consists of those addresses that may be generated by a processor during execution of a computation.

Answer

is a method of allocating processor time.

Question 9

A translator which reads an entire programme written in a high level language and converts it into machine language code is:

Accepted Answer

compiler

Answer

assembler

Answer

translator

Answer

system software