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1970
Intel introduces a 1K RAM chip and the 4004, a 4-bit microprocessor. -
1970
Fairchild Semiconductor introduces a 256-bit RAM chip -
1971
Bill Gates and Paul Allen form Traf-O-Data to sell their computer traffic-analysis systems. -
1972
Intel introduces the 8008, the first 8-bit microprocessor -
1972
Gary Kildall writes PL/M, the first high-level programming language for the Intel microprocessor -
1974
Jonathan A. Titus designs the Mark-8, "Your Personal Minicomputer," -
1975
Popular Electronics features the MITS Altair 8800 on its cover, January 1975. It is hailed as the first "personal" computer. Thousands of orders for the 8800 rescue MITS from bankruptcy. -
1975
Paul Allen and Bill Gates develop BASIC for the Altair 8800. Microsoft is born.