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Q.

The operating system of a computer serves as a software interface between the user and

A

hardware

B

peripheral

C

memory

D

screen

E

None of the above

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MCQ

1.

Which of the following is not a mode in starting Windows?

A

Command Prompt

B

Safe Mode

C

Normal Mode

D

Turbo Mode

Discussion

MCQ

2.

Paging

A

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.

B

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

C

is a method of allocating processor time.

D

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

E

None of the above

Discussion

MCQ

3.

Poor response times are caused by

A

Processor busy

B

High I/O rate

C

High paging rates

D

Any of the above

E

None of the above

Discussion

MCQ

4.

Which of the following is an example of a real time operating system?

A

Lynx

B

MS DOS

C

Windows XP

D

Process Control

Discussion

MCQ

5.

Which of the following are loaded into main memory when the computer is booted?

A

internal command instructions

B

external command instructions

C

utility programs

D

word processing instructions

E

None of the above

Discussion

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