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IN THE NAME OF ALLAH WHO IS THE MOST BENIFICENT AND

MERCIFUL

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Tahseen javed

Laiba

FarooqH

uda

Faiza FaizaShahid

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A computer is an electronic device, operating under the

control of instructions stored data, process

the data according to specified rules,

produce result, and store the results for

future use.

What is computer?

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Categories of computers

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Mobiles computers and mobile devices Personal computers Game consoles Embedded computers Server computers Mainframe computers Super computers

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Mobile computers: a mobile computer is a personal computer you can carry from place to place.

Types:

Laptop:The most popular type of mobile computer is the laptop computer. small and light weight

Mobile computers and mobile devices

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Mobile computers and mobile devices

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Small enough to carry in a pocket stores programs

and data permanentlyinternet-enabled, connect to the internet wirelessly.

Mobile devices:

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Sometime called ultra-mobile PC (UMPC) Small in size Small enough to fit in one hand Also communicate wirelessly Also include a digital pen or stylus for input Have miniature or specialized key-boards.

Handheld computers:

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Mobile computers and mobile devices

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Personal digital assistant (PDA)

Provides personal organizer functions such as a calendar, an

an address book, a calculator,

and a notepad.

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Mobile computers and mobile devices

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Internet-enable phones that

usually also provides PDA capabilities. Allow you to send e-mail

messages and access the web.

Built-in camera Also function as portable

media player

Smart phones

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perform all of its input, processing, output, and storage activities by

itself. contain a processor, memory, and one or more input, output,

and storage devices.

Personal computers

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Also called laptop Small, thin and lightweight Fit on your lap Portable More powerful as desktop Operate on batteries or power supply or both

Notebook computers

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Tablet PC

Resembling a letter-sized slate

It allows you to write or draw on the

screen using a digital pen

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Embedded computers

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A computer system which is programmed for a

specific task and embedded within the equipment which it

serves.

Mainframe computers

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Servers

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Supercomputers

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