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.

However, once you read this, the fact that you read it is now history, too. Those who cannot remember the past are condemned to repeat it. Like many, I’ve repeated George Santayana’s quotes, but ...

The invention of the computer is often articulated like a three-act play: the idea of the computer arrives, then there is the process of how to make the computer and, finally, there is the creation.

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 ...