YAHYA For Computer
YAHYA For Sales ,Foramat And Services of Computerese Hidayat Al-khayat ,Mustafa Hawar
07504909789
07504926323
03/01/2017
15/12/2016
Esta datwany ba asantrin rega shashay tv yakat bkay ba pc tanha ba bakar henani ( Archos pc stick )
29/11/2016
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- بۆهەمووئەوڕاوتەرانەدەبێت کەئیشکردنیان بە(5v...7.5v..9v...12v)ADSIL. تيبى لينك .تاب نێت.
نرخى ته نها به ( 23$ )
05/04/2014
01/11/2013
دوو سایتی پڕلهپڕۆگرام....
ئهم سایته زیاتر له 100 بهرنامهی پێوستی تیایه كه بێ كێشهیه زۆر به قهبارهیهكی زۆر به ئاسانی داون لۆد دهكرێت فهرموون ...
http://ninite.com/
http://www.filehippo.com/
Ninite - Install or Update Multiple Apps at Once The easiest, fastest way to update or install software. Ninite downloads and installs programs automatically in the background.
18/10/2013
What is a Computer?
A computer is a programmable machine. The two principal characteristics of a computer are: it responds to a specific set of instructions in a well-defined manner and it can execute a prerecorded list of instructions (a program).
Modern Computers Defined
Modern computers are electronic and digital. The actual machinery -- wires, transistors, and circuits -- is called hardware; the instructions and data are called software.
All general-purpose computers require the following hardware components:
memory: enables a computer to store, at least temporarily, data and programs.
mass storage device: allows a computer to permanently retain large amounts of data. Common mass storage devices include disk drives and tape drives.
input device: usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.
output device: a display screen, printer, or other device that lets you see what the computer has accomplished.
central processing unit (CPU): the heart of the computer, this is the component that actually executes instructions.
In addition to these components, many others make it possible for the basic components to work together efficiently. For example, every computer requires a bus that transmits data from one part of the computer to another.
Computer Classification, By Size and Power
Computers can be generally classified by size and power as follows, though there is considerable overlap:
personal computer: a small, single-user computer based on a microprocessor. In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data.
workstation: a powerful, single-user computer. A workstation is like a personal computer, but it has a more powerful microprocessor and a higher-quality monitor.
minicomputer: a multi-user computer capable of supporting from 10 to hundreds of users simultaneously.
mainframe: a powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.
supercomputer: an extremely fast computer that can perform hundreds of millions of instructions per second.
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