[QUOTE=&~لينة الورد ~&]بسم الله الرحمن الرحيم ....
السلام عليكم ورحمة الله


و عليكم السلام
اوكي من عيوني اساعدك ولا يهمك


من هو مخترع الـ keyboard..؟ ومتى..؟
in 1868 by Christopher Sholes

من هو مخترع PRinter...؟ ومتى..؟

Printers
In 1953, the first high-speed printer was developed by Remington-Rand for use on the Univac computer.

In 1938, Chester Carlson invented a dry printing process called electrophotography commonly called a Xerox, the foundation technology for laser printers to come.


من هو مخترع Magnetic Dicks....؟ومتى..؟

Magnetic disk recording was invented by International Business Machines

(IBM) in 1956. It was developed to allow mainframe computers to store large amounts of computer programs and data. This new technology eventually led to what's now known as the computer revolution.





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