Question # 1

A connection of same type of network is

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Bridge

Repeater

Gateway

Router

Desktop and personal computers are other names for.

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micro computers

mini computers

mainframes

peripheral equipment

The entire computer system is coordinated by.

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the ALU

the accumulator

the control unit

arithmetic operators

Transmit data in the form of light is called

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Fiber glass

UTP

Color glass

None

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 a digital computer is.

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control unit

memory unit

logic unit

visual display unit

Maximum length of co-axial cable used in LAN is

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120 meter

110 meter

100 meter

90 meter

Network topologies are categorized into the following basic types

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Bus, Ring

Star , Tree

Mesh

All of the above

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

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the ALU itself

program

control unit

memory unit

Ethernet bus topologies used following Ethernet cabling

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Thin Net

Thick Net

Bold Net

a , b

The process of executing several programs simultaneously by the use of more than one processing unit is called.

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Multiprogramming

Time sharing

Multiprocessing

Batch processing

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

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

IEEE 802.3 is

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Device Name

Protocol

Topology

None

The Media Access Control sub layer resides in which layer

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Data link

Physical

Network

Transport

How many pairs of computers can simultaneously communicate on Ethernet LAN

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1

3

Multiple

4

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

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