Question # 1

Memory capacity may be expressed in.

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microseconds

kilobytes

bits

cycles

The complex set of electrical circuitry that executes program instructions is called the.

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register

central processing unit

accumulator

bus line

During E time the ALU

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

IEEE 802.3 is

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Device Name

Protocol

Topology

None

Step-by-step instructions that run the computer are.

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hardware

documents

programs

CPUs

The most common protocol used in WAN is

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Ethernet

X.25

IEEE

ISO

Network topologies are categorized into the following basic types

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Bus, Ring

Star , Tree

Mesh

All of the above

A LAN is a combination of.

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LAN cables

Network adapter card

LAN Application Software

All of the above

Data and instructions are put into primary storage by.

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memory

the control unit

secondary storage

the ALU

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 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

Which of the following is an example of volatile memory.

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ROM

RAM

PROM

Hard disk

What does ISDN stands for?

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International Service Data Network

International Service Digital Network

Integrated Service Data Network

Integrated Service Digital Network

The business conducted with the help of computer network is called

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E-commercial

E-commerce

E-comunication

Nothing

At the beginning of the instruction cycle, the contents of the Instruction Register specify.

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Operand for the instruction being executed

Instruction itself

Operand for the instruction to be executed next

None of above

Wrong Statement.

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Information stored in RAM can be changed by over writing it

Information stored in ROM cannot be changed by over writing it

Information can be stored in any location of RAM

Computer main memory can be accessed only sequentially

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