It's hard to imagine how people got work done without PCs just 25 years back, but Don Estridge who developed the first IBM PC with the help of 12 engineers changed things for us. The team took less than a year to build the machine using "off the shelf" parts from a variety of manufacturers. Since the PC had an "open architecture" it meant that other firms could produce compatible machines after paying a license fee to IBM for using Basic Input-Output System (BIOS) software code. However, other companies reverse engineered the BIOS to produce clones of the machine without having to pay anything to IBM in fees.
This sparked off a revolution of sorts as the PC slowly started to become a part of people's lives and eventually led to the online era. All said and done, the PC has come a long way and is here to stay in different avatars, faster and better with every passing day.
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