Happy birthday PC

7th September 2001 at 01:00
The personal computer is 20 years old. IBM's first PC went on sale in August 1981 with a price tag that would equal pound;3,400 today. It sparked the start of a revolution that has seen an estimated 500 million computers in use worldwide. A Microsoft survey claimed that equal numbers of people regard the PC and the television as the most important piece of technology in their home.

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