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Pascaline
Not actual date but year is correct -
Analytical Engine
Mid-1800
Charles Babbage, an English Mathematician and physical scientist designed two calculating machines. One analysing and one differencing. -
Difference engine
Mid-1800
Charles Babbage, an English Mathematician and physical scientist designed two calculating machines. One analysing and one differencing. -
Punch Card
Not actual date but year correct -
Mark I
First computer like machine. Built jointly by IBM and Harvard University under leadership of Howard Aiken. Was 52 feet long, weighed 50 tons, and had 750,000 parts. -
ENIAC
ENIAC (Electronic Numerical INtegrator and Calculator) was built in University of Pennsylvania. Contained 18,000 vacuum tubes and weighed around 30 tons. -
UNIVAC
The UNIVAC (Universal Automatic Computer) was built and sold to U.S. Census Bureau. -
Transistor
Made smaller and fastor while being super reliable and more energy-efficient computers. -
Microprocessor
Not actual day but year correct.
An entire CPU on a single chip was invented. -
Microprocessor
An entire CPU on a single chip was invented -
First Apple computer
Not actual day.
Stephen Qozniak and Steven Jobs designed and built the first Apple computer in their garage -
IBM PC's
Not acutal day
IBM introduced its personal computer.