In 1979, two M.I.T. computer-science alumni and a Harvard Business School graduate launched a new piece of computer software for the Apple II machine, an early home computer. Called VisiCalc, short ...

C. 2500 BCE: Sumerian abacus -- c. 700 BC: Scytale -- c. 150: Antikythera mechanism -- c. 60: Programmable robot -- c. 850: "On Deciphering Cryptographic Messages ...

A computer that processes analog data is known as an analog computer. Analog computers store information in physical quantities in a continuous format and use measurements to perform computation.

The history of computers began with primitive designs in the early 19th century and went on to change the world during the 20th century.

Inspired by A New History of Modern Computing by Thomas Haigh and Paul E. Ceruzzi. But the selection of key events in the journey from ENIAC to Tesla, from Data Processing to Big Data, is mine. This ...

Despite their brief history, computers and AI have fundamentally changed what we see, what we know, and what we do. Little is as important for the world’s future and our own lives as how this history ...

If you are interested in historical big computers, you probably think of IBM, with maybe a little thought of Sperry Rand or, if you go smaller, HP, DEC, and companies like Data General. But you may ...

“The freshmen now entering Drexel [in the early 1980s] will spend the greater portion of their professional lives in the 21st century, in an environment in which the computer will be an everyday, even ...