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- Courses
- Introduction to Electronic Media
- Class 13, Digital Media
- Bit
- binary digit
- fundamental building block of computing
- expressed…
- logical values
- yes/no
- true/false
- +/-
- on/off
- Byte
- basic unit of digital information
- basic meaningful computer unit
- Storage
- Magnetic Storage
- magnetic tape
- magnetic disks
- Optical Storage
- magento-optical drives
- CD and DVD
- Diodes
- vacuum tubes
- Thomas Edison 1883
- John Fleming 1904
- Lee deForest 1912
- ENIAC
- electronic numerical integrator and calculator
- processed calculations for the hydrogen bomb
- Transistors
- Texas Instruments 1947
- Minicomputers
- Microprocessors
- Intel 1971
- silicon switches
- microcomputers
- Altair 8800
- microcomputer, 1975
- mail order
- Altair BASIC
- written by Bill Gates
- Microsoft’s first product
- specs
- Intel 8080 processor
- 256 bytes
- front panel with lights
- $400 kit. assembled for $500.
- Alto
- Xerox PAC
- first personal computer
- 1973
- desktop metaphor
- Ethernet
- high-speed LAN
- Bob Metcalfe
- Apple Computer
- Apple II
- personal computer, 1977
- Steve Jobs and Wozniak
- Macintosh
- 1984
- graphic user interface
- Hypercard
- linking on keywords or icons
- International Business Machines
- Bulletin Board Systems
- exchange email
- post opinions
- upload and download information
- Commercial Internet
- NSF withdrew funding
- opened network to commercial users in 1991
- post Cold War