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Computer Evolver
Herman Hollerith – invents a machine using punch card to tabulate info for the Census -
ENIAC
Miles of wiring
18,000 vacuum tubes
Thousands of resistors and switches
No monitor
3,000 blinking lights
Cost $486,000
100,000 additions per second
Weighed 30 tons
Filled a 30x50 foot room
Could be replaced today by one fingernail-size silicon chip -
The Transistor
TRANSISTOR – was a three-legged component which shrunk the size of the first generation computers. Occupied only 1/100th of the space occupied by a vacuum tube -
The Microprocessor
MICROPROCESSOR – is a silicon chip that contains the CPU – part of the computer where all processing takes place. -
MICROSOFT
Microsoft Corporation: is an American multinational corporation headquartered in Redmond, Washington that develops, manufactures, licenses and supports a wide range of products and services related to computing. Was Founded by Bill Gates. -
Apple
Apple Inc. (NASDAQ: AAPL), formerly Apple Computer, Inc., is an American multinational corporation headquartered in Cupertino, California that designs, develops, and sells consumer electronics, computer software, and personal computers. -
Ipone 5
Apple reased the iphone 5 shortly after ipod touch 5 was made.
