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Q.

Control Unit of a digital computer is often called the

A

Clock

B

Nerve center

C

ICs

D

All of the above

E

None of the above

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1.

The section of the CPU that selects, interprets and sees to the execution of program instructions

A

Memory

B

Register unit

C

Control unit

D

ALU

E

None of the above

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2.

A path by which communication is achieved between a central processor and other devices is called

A

Audit trail

B

Network

C

Bus

D

Channel

E

None of the above

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3.

What is PCI(Peripheral Component Interconnect)?

A

A type of monitor

B

A type of system bus

C

A kind of graphics

D

A modem standard

E

None of these

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4.

Transformation of input into output is performed by?

A

Peripherals

B

Memory

C

Storage

D

The Input-Output unit

E

The CPU

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5.

The time required for the fetching and execution of one simple machine instruction is

A

Delay time

B

CPU cycle

C

Real time

D

Seek time

E

None of the above

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