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Categories of computers (Mainframe (A large, expensive, powerful computer…
Categories of computers
Supercomputer
The fastest, most powerful and most expensive computer that is capable of processing many trillions of instructions in a single second 
Supercomputers generally run one program at a time, as fast as possible.
Applications requiring complex, sophisticated mathematical calculations use supercomputers.
Mainframe
A large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
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Enterprises are able to bill millions of customers, prepare payroll for thousands of employees, and manage thousands of items in inventory
They are measured in MIPS (million instructions per second) and respond to up to 100s of millions of users at a time.
Personal Computer
Is a computer that can perform all of its input, processing, output, and storage activities by itself
Desktop
Is a personal computer designed to be in a stationary location, where all of its components fit on or under a desk or table
Notebook
A portable, personal computer often designed to fit on your lap
A personal computer contains a processor, memory, and one or more input, output, and storage devices
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Embedded computers
An embedded computer is a special-purpose computer that functions as a component in a larger product.
Embedded computers are everywhere - at home, in your car, and at work
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