Question # 1

The term word in computer terminology refers to.

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bits formed into groups

coded instructions

memory size

language used

Ethernet bus topologies used following Ethernet cabling

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Thin Net

Thick Net

Bold Net

a , b

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

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FTP

PPP

SMTP

POP

Which is not associated with the main memory of computer.

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semiconductor memory

core memory

read only memory

sequential memory

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

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

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

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 highest layer of OSI model is

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Physical layer

Network layer

Presentation layer

Application layer

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

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

SNA stands for

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Simple Network Adapter

System Network Arhitecture

System Network Application

Small Network Application

The heart of the digital computer is

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control unit

memory unit

logic unit

visual display unit

The following register keeps track of the program during execution.

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Address register

Program counter

Data register

Accumulator

The entire computer system is coordinated by.

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the ALU

the accumulator

the control unit

arithmetic operators

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