Question # 1

A connection of same type of network is

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Bridge

Repeater

Gateway

Router

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

During E-time the ALU..

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examines the instruction

enters the instruction

executes the instruction

elicts the instruction

The CCITT protocol is the same as

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x.25

Y.25

C25

d25

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

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

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WAN

LAN

Bridge

Gateway

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

Which one is not network topology?

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Star

Ring

Circle

Bus

The clock speed of a computer is measured in.

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megahertz

kilobytes

megabytes

binary digits

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

IEEE 802.3 is

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Device Name

Protocol

Topology

None

Pick out the correct definition of buffer.

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Buffer is a hardware device that stores data outside the CPU

Buffer is that portion of the CPU memory which stores program instructions

Buffer is a temporary storage between the CPU memory and a peripheral device

Buffer is a device to convert input data into a computer readable form

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 (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

Maximum length of co-axial cable used in LAN is

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120 meter

110 meter

100 meter

90 meter

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