Question # 1

The different memory locations are identified by hexadecimal numbers called.

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ASCII code

bytes

BCD numbers

addresses

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

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FTP

PPP

SMTP

POP

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

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the ALU itself

program

control unit

memory unit

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

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LAN

WAN

Router

Bridge

During E-time the ALU..

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examines the instruction

enters the instruction

executes the instruction

elicts the instruction

Software to persue the Internet

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Gateway

Videoconferencing

Browser

Teleconferencing

The heart of a digital computer is.

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control unit

memory unit

logic unit

visual display 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 highest layer of OSI model is

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Physical layer

Network layer

Presentation layer

Application layer

Bandwidth requirement for human voice is

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100000 to 200000

5000 to 20000

20000 to 30000

25000 to 50000

A network that covers small geographic area or single or group of buildings is called

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WAN

LAN

Bridge

Gateway

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

Desktop and personal computers are other names for.

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micro computers

mini computers

mainframes

peripheral equipment

Memory is divided into many numerically addressed.

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logic

locations

codes

cells

The function of an OP code is.

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To instruct the CPU

To translate a mnemonic

Operate the I/O devices

To act as a buffer

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

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