Question # 1

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

A device which connects multiple nodes to the network is

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A modem

A Hub

A repeater

A router

SNA is an example of

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De Jure Protocol

De Facto Protocol

Network organization

None

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

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

A bus line consists of.

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registers

accumulators

parallel data paths

machine cycles

The cabling joining the Hub is called

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Spine

RS 45 connector

RS 232 serial port

Modem card

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

A network that covers large area, city, country and World is called

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LAN

WAN

Router

Bridge

Information travels between components of a computer through groups of wires called.

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cards

busses

slots

ports

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

Which one the common protocols is used for E-mail?

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FTP

PPP

SMTP

POP

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

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

The heart of the digital computer is

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control unit

memory unit

logic unit

visual display unit

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

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