Question # 1

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 entire computer is coordinated by

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The ALU

the accumulator

arithmetic operators

the control unit

Desktop and personal computers are other names for.

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micro computers

mini computers

mainframes

peripheral equipment

SNA stands for

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Simple Network Adapter

System Network Arhitecture

System Network Application

Small Network Application

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

The business conducted with the help of computer network is called

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E-commercial

E-commerce

E-comunication

Nothing

How many pairs of computers can simultaneously communicate on Ethernet LAN

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1

3

Multiple

4

Data and instructions are put into primary storage by.

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memory

the control unit

secondary storage

the ALU

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

The heart of the digital computer is

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control unit

memory unit

logic unit

visual display unit

The unit that transform data in informaion is the

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CPU

ROM

DVD

OCR

The cabling joining the Hub is called

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Spine

RS 45 connector

RS 232 serial port

Modem card

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

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the ALU itself

program

control unit

memory unit

The number of bytes in the following number (1111, 1011, 0111,0100,1010) is.

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5

2 1/2

10

1 2/4

The following register keeps track of the program during execution.

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Address register

Program counter

Data register

Accumulator

A device which connects multiple nodes to the network is

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A modem

A Hub

A repeater

A router

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ECAT Computer Science Chapter 2 Digital Computer Fundamentals Online Test MCQs With Answers

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