Saturday, February 21, 2009

Categories of Computers

Industry experts typically classify computers in seven categories:
1.Personal computers. (PC)
2.Mobile computers and mobile devices.
3.Game consoles.
4.Servers.
5.Mainframes.
6.Super computers.
7.Embedded computers.

Personal Computer (PC)


Essentially a single-user computer
Two types of personal computers are:
Desktop computers: designed so the system unit, input devices, output devices, and any other devices fit entirely on or under the table.
Notebook Computers (Laptop): designed to fit on user’s lap. Notebook computers are thin and lightweight.
IBM-compatible
IBM-compatible refers to any personal computers based on original IBM personal computer design, IBM-compatible computers use Windows operating system. (ex. : Dell, HP, Toshiba)
nApple computers and Blackberry are not IBM-compatible.
nIn common use, PC refers to an IBM-compatible, but to a computing professional, includes above, and also Apple computers.

Mobile Devices
Mobile devices are small enough to carry in a pocket.
There are three types of mobile devices:
Handheld computer: is small enough to fit in one hand.
PDA (Personal Digital Assistance): provide personal organizer functions such as a calendar, address book, calculator , notepad, word processing …etc
qSmart Phone: is an internet-enabled telephone that usually provide PDA function.

3 comments:

  1. Embedded Computers have proved themselves to be a crucial contributor to the changing face of today’s industrial scenario. Fuelling in unbridled power into industrial computers to tackle the most complex applications, they have made quite an impression with a lot of the leading industrial sectors.

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