Computer+Glosssary

= Glossary =

ARAPNET - a connected system of computers that eventually became the internet.
Binary - A system of 1's and 0's that modern computers use to represent information and store data.

Turing machine - A theoretical machine that was invented by Alan Turing. Modern computers use the Turing machine's "rules" as a definition of whether the machine is a computer.
vacuum tubes - a tube that uses air to direct a current. This was the main source of processing power from the 1930's until the 1950's. These tubes had a problem with frequently blowing out.

Osborne computer- a computer company that made the "portable" Osborne one. The company eventually went bankrupt.
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