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Class notes and homework 10/03/17

What is information technology?
Application of computers to store, study, retrieve, transmit, and manipulate data or information.
Anything stored is data, but it only becomes information when it is organized and presented meaningfully.
The study, design, development, application, implementation, support or management of computer-based information systems.

What came about as a consequence of its development?
New ways to store data.
Effects on society are pervasive. Allows us to do things in a way we could never before.

Who did it?
20th century - Information revolution
1947 - transistor invented - Bell Labs
manipulate information through technology
repeat signals in smaller and more integrated ways.

late 50's - intergrated circuit chip
programable, expandable

1959-62 - Chips developed
semiconductor prices fell 85%
production increased

1971 - invention of microprocessor - Sharp - Ted Hoff
computer in a chip

Gordon Moore - Intel - Speed