Microcomputers are the most common kind of computers in use as of 2014. The term “microcomputer” was introduced with the advent of systems based on single chip microprocessors. The best-known early system was the Altair 8800, introduced in 1975. The term "microcomputer" has practically become an anachronism.
These computers include:
- Desktop computers – A case and a display, put under and on a desk.
- In-car computers (“carputers”) – Built into a car, for entertainment, navigation, etc.
- Game consoles – Fixed computers specialized for entertainment purposes (video games).
A separate class is that of mobile devices:
- Laptops, notebook computers and Palmtop computers – Portable and all in one case. Varying sizes, but other than smartbooks expected to be “full” computers without limitations.
- Tablet computer – Like laptops, but with a touch-screen, sometimes entirely replacing the physical keyboard.
- Smartphones, smartbooks and PDAs (personal digital assistants) – Small handheld computers with limited hardware.
- Programmable calculator– Like small handhelds, but specialised on mathematical work.
- Handheld game consoles – The same as game consoles, but small and portable.
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