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Types Of Computer

This is to explain briefly the many types of computers.

Melissa Pineda

on 5 September 2010

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Transcript of Types Of Computer

TYPES OF COMPUTER Personal Computer A personal computer (PC) is any general-purpose computer whose size, capabilities, and original sales price make it useful for individuals, and which is intended to be operated directly by an end user with no intervening computer operator. Laptop A laptop is a personal computer designed for mobile use that is small and light enough for a person to rest on their lap.[1] A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device (a touchpad, also known as a trackpad, and/or a pointing stick) and speakers into a single unit. PDA A personal digital assistant (PDA), also known as a palmtop computer,[1][2] is a mobile device that functions as a personal information manager. A PDA has an electronic visual display, enabling it to include a web browser, but some newer models also have audio capabilities, enabling them to be used as mobile phones or portable media players. A workstation is a high-end microcomputer designed for technical or scientific applications. Intended primarily to be used by one person at a time, they are commonly connected to a local area network and run multi-user operating systems. The term workstation has also been used to refer to a mainframe computer terminal or a PC connected to a network. Workstation Server A server computer is a computer, or series of computers, that link other computers or electronic devices together. They often provide essential services across a network, either to private users inside a large organization or to public users via the internet. Supercomputer A supercomputer is a computer that is at the frontline of current processing capacity, particularly speed of calculation. Supercomputers were introduced in the 1960s and were designed primarily by Seymour Cray at Control Data Corporation (CDC), which led the market into the 1970s until Cray left to form his own company, Cray Research. Mainframe Mainframes (often colloquially referred to as Big Iron[1]) are powerful computers used mainly by large organizations for critical applications, typically bulk data processing such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing. Advances Personal computers Laptop PDA Workstation Supercomputers Jaguar is a petascale supercomputer built by Cray at Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee. In November 2009, it was named as the world's fastest computer according to TOP500, the semiannual list of the world's top 500 supercomputers. The massively parallel Jaguar has a peak performance of just over 1750 teraflops (1.75 petaflops). It has 224,256 x86-based AMD Opteron processor cores,[1] and operates with a version of Linux called Cray Linux Environment.[2] Jaguar is a Cray XT5 system, a development from the Cray XT4 supercomputer.
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