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CATEGORIES OF COMPUTER (MOBILE DEVICE (Computing device small enough for a…
CATEGORIES OF COMPUTER
SUPERCOMPUTER
The fastest, most powerful and most expensive computer that is capable of processing many trillions of instructions in a single second
run one program at a time, as fast as possible
Applications requiring complex, sophisticated mathematical calculations use supercomputers
Example:
-Large-scale simulations and applications in medicine
-Online banking
-Automotive design
-Aerospace
-Weather forecasting
-Nuclear energy research
-Petroleum exploration
MAINFRAME
A large , expensive and 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 
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PERSONAL COMPUTER
Is a computer that can perform all of its input, processing, output, and storage activities by itself
contains a processor, memory, and one or more input, output, and storage devices, also contain communication device
Type
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
MOBILE COMPUTER
Is a portable personal computer, designed so that a user easily can carry it from place to place
Notebook/Laptop : A portable, personal computer often designed to fit on your lap
Tablet :A thin, lighter-weight mobile computer that has touch screen
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Netbook : A type of notebook computer, is smaller, lighter, and often not as powerful as a traditional notebook computer
MOBILE DEVICE
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Smart phone : Is an Internet-capable phone that usually also includes a calendar, an address book, a calculator, a notepad, games, browser, and numerous other apps
Digital Media Player : Is a device, typically used in a home, that streams digital media from a computer or network to a television, projector, or some other entertainment device
Portable Media Player : Is a mobile device on which you can store, organize, and play or view digital media
Digital Camera : Is a mobile device that allows users to take photos and store the photographed images digitally
e-book Reader : Or e-reader, is a mobile device that is used primarily for reading e-books and other digital publications
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EMBEDDED COMPUTER
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Embedded computers are everywhere - at home, in your car, and at work
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