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History of The Computer and The Internet
Jessie :D
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The First Computer
• The first computer was made in 1939 by John V. Atanasoff and Clifford Berry
• Atanasoff-Berry Computer (ABC)
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Debug• Admiral Grace Hopper• Was working on a Mark
II Computer at Harvard University, her associates discovered a moth stuck in a relay
• Removed it and called it “Debugging”
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The Internet
• 1957 Soviet Union Launched Sputnik 1
• 1958 Concerns of the people in the military Created The Defense Advanced Research Projects Agency Network
• (DARPANET)
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The Analytical Engine• Important step in the
history of computers• Made by an English
Mathematician named Charles Babbage.
• Because the complexity, lack of project management science, expenses, and difficulty of accessing its value it was never built.
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Herman Hollerith’s Tabulating Machine
• Used to rapidly tabulate statistics from millions of pieces of data
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ENIAC• Built to calculate
artillery firing tables for the United States Army's Ballistic Research Laboratory, but its first use was in the hydrogen bomb.
• Built in secret in the University of Pennsylvania’s Moore School of Electrical Engineering.
• WAS HUGE!
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Program
• A computer program is a sequence of instructions written to perform a specified task for a computer.
• Also called a Software Program or just a Program.
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Transistors > Vacuum Tubes• Vacuum Tubes were
used to amplify music and voice.
• Made Long-distance calling practical.
• Consumed power, Created heat and burned out rapidly.
• Required high maintenance
• Transistors did not.
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Microcomputer
• 1975• Ed Roberts• Altair 8800• Produced Micro
Instrumentation and Telemetry Systems.
• MITS• Ye old Microsoft :D
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The Binary System
• Base-2 number system
• Represented numeric values using the symbols 0 and 1.
• Used internally by ALL modern computers
• 100101110100110
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References
• Wikipedia.org• Well actually I didn’t realize but almost all of
the stuff I got was from wiki :/