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Q.

The term 'polling' in a computer means a process by which a computer system

A

detects/corrects errors

B

multiplexes the inputs and updates the memory accordingly

C

decides correct alternative by analysing several ones

D

inquires to see if a terminal has any transaction to send

E

None of the above

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MCQ

1.

A base register table

A

allows the programmer to write base registers and displacements explicitly in the source program.

B

is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.

C

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

D

is a term that refers to the control programs of an operating system.

E

None of the above

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2.

You should save your computer from?

A

Viruses

B

Time bombs

C

Worms

D

All of the above

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3.

System maintenance:

A

is usually not necessary

B

is necessary on all systems, regardless of how good

C

is not required if the system is well written

D

always requires several programs

E

None of the above

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4.

System files allocated at

A

Boot area

B

FAT area

C

Data area

D

Directory

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5.

Start / restart the computer is called

A

Exit

B

Run

C

Option

D

Boot

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