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The desktop system are again reduced by its sizes ,

as well as cost.

FEATURES :-

Size

Motherboard

Speed

Memories

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Most of the component used in this computer are electronics or

electromechanical devices. They are as follows:

INPUT DEVICES

OUTPUT DEVICES

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SECONDARY STORAGES:

MAIN MEMORIES

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May run several different types of operating systems

Mac OS

UNIX

windows vista

windows 2000

windows xp

Windows 2003

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Clustering allows two or more systems to share storage.

Clustered computers share storage and are closely linked via

LAN networking.

Provides a high-availability service.

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There are two types of clustered :

Asymmetric clustering:

Symmetric clustering:

FEATURES of CLUSTERD SYSETEM:

Node to node

LAN & WAN

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ADVANTAGES: Through put of the operating system is increases.

Also supports networking.

It is used for communication purpose.

DISADVANTAGES: Only supports networking application.

Its very costly.

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It includes Personal Digital Assistance(PDA) such as

palm pilots or mobile phones with connectivity with

networks and internet.

FEATURES: Limited size

Memory

Display

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ADVANTAGES: It is used for mobile.

Disadvantages: Only supports for some special application.

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