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Types of ICT Systems
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- 1PCsA desktop PC usually has these basic components: a monitor, a keyboard, a system unit and a mouse.
- 2LaptopsA laptop computer is slightly larger and much heavier than an A4 file.
- 3NotebookA notebook computer is a small laptop computer that is about as big as an oversized book. A notebook computer is likely to be half the size of a laptop and is lighter and easier to carry.
- 4NetbookA netbook computer is a very small laptop that is optimized for Internet and email access. It is intended to be light and easy to carry and has a long battery life.
- 5Hand-heldA handheld computer or Personal Digital Assistant (PDA) or palmtop can fit in one hand or in your pocket, but it is too small for general work. A PDA usually has a touch sensitive screen. Although PDAs can be temporarily attached to a Keyboard, you cannot comfortably type a long document into a PDA.
- 6Smartphone:A smart phone is a mobile phone with the functions of a PDA. Hand-held computing devices can perform a range of activities such as personal record-keeping and satellite navigation.
- 7Main frameA mainframe computer is a very large and expensive computercapable of supporting hundreds, or even thousands, of users simultaneously.
- 8Super computersThese are the fastest type of computers. Supercomputers are very expensive and are employed for specialized applicationsthat require immense amounts of mathematical calculations. For example, weather forecasting requires a supercomputer. Other uses of supercomputers include animated graphics, fluid dynamic calculations, nuclear energy research, and petroleum exploration.
- 9Embedded computersAn embedded computer is designed for and built into a specific application where it will perform a limited range of dedicatedfunctions. The size and functionality of an embedded computerdepends on the application. They may be very small devices built into a single microchip and may control.
- 10Games consolesA games console is a PC that is designed specifically for playing games.