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A mechanical calculator.
Importance: numbers could be added and subtracted easily. -
The first programable computer was called Colossus. Used for translation of Germain codes.
importance: computers could be used for a specific purpose. -
used to cool the tubes inside computers.
importance: computers could run longer without heating up -
a screen that uses liquid crystal to display information
importance: screens could be smaller and have better graphics -
first general computer
importance: had the general programs and utilities pre-programed into it -
used to amplify electrial signals
imoortance: allowed for better processing -
contain many transistors
importance: save space and still have good processing -
used for information storage
importance: you could carry programs and other electronic information with you and use it on a different computer -
a beam of excited photons used to read CDs
importance: CDs could be read and used to replace floppy disks -
a world wide computer network
importance: information could be accessed and sent using electrial signals
