Intel Pentium (586) microprocessor, 1992.

UNITED STATES - OCTOBER 19: The Pentium microprocessor enabled another dramatic leap in computing speed. With 3.1 million transistors, it was the most complex microprocessor of its time, performing 90 million operations per second, and allowing computers to incorporate 'real' data - like speech, sound, handwriting and photographic images - more easily. Its rapid adoption by all sectors of the industry made Pentium a household name. (Photo by SSPL/Getty Images)