Question # 1

A bus line consists of.

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registers

accumulators

parallel data paths

machine cycles

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

Which one is not network topology?

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Star

Ring

Circle

Bus

The business conducted with the help of computer network is called

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E-commercial

E-commerce

E-comunication

Nothing

Which of the following is a Correct definition of volatile memory?..

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It is the latest type of bubble memory

It loses its contents at high ambient temperatures

Its contents are lost on failure of power supply

It has to be kept in air tight boxes always

OSI model has

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11 layers

7 layers

3 layers

10 layers

The central processing Unit (CPU) comprises of.

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memory, VDU , and printer

input device , output device and memory

store , arithmetic and logic unit and control unit

software, hardware and power supply unit

A computer can be defined as an electronic device that can: (choose the most precise definition).

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carry out logical functions

carry out arithmetical operations

accept and process data using a set of stored instructions

present information on a VDU

The unit that transforms data into information is the.

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CPU

ROM

DVD

OCR

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

A CPU has

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control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.

bubble memory

visual display unit

auxiliary storage unit

A LAN is a combination of.

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LAN cables

Network adapter card

LAN Application Software

All of the above

The central processing unit comprises of

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memory ,VDU and printers

input devices output devices and memory

software arithmetic and logic unit,and control unit

software,hardware,and power supply unit

The heart of the digital computer is

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control unit

memory unit

logic unit

visual display unit

The entire computer system is coordinated by.

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the ALU

the accumulator

the control unit

arithmetic operators

The operation of arithmetic logic unit (ALU) is directed by.

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the ALU itself

program

control unit

memory unit

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