computer history and flow ciaran lydon 10/12/07
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The document discusses the history and development of computers from 1940-1945. It describes some of the earliest computers and technologies developed during this time period including the first handheld two-way radio invented by Motorola in 1940, the Z3 computer built in 1941, and the Electronic Numerical Integrator and Computer (ENIAC) built in 1943, considered the first general-purpose electronic computer. It also mentions the development of the first portable FM two-way radio, the Harvard Mark I computer used by the U.S. Navy in 1944, and the coining of the term "bug" when Grace Hopper found an actual insect disrupting the Mark II computer.
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computer history and flow ciaran lydon 10/12/07
- 1. History and flow:1940-45 By ciaran lydon Per.5
- 2. Input First the information is entered through the input
- 3. Memory Next the information is sent to memory
- 4. Now the information enters the micro processor
- 5. Fetch First information is obtained from memory
- 6. Decode Next Decode figures out what action to do
- 7. Execute Binary calculators do the math extremely fast
- 8. Output Finely the digital information shows up in output
- 9. The first handheld two-way radio or “handy talkie” made by Motorola in 1940
- 10. The Z3,built in 1941, was the first fully operational calculating machine
- 11. The Electronic Numerical Integrator and Computer was the first general-purpose electronic digital calculator. Built in 1943, it is considered to be the first electronic computer.
- 12. the first portable FM two-way radio or “Walkie Talkie" Weighed 35 pounds
- 13. Harvard-IBM MARK I was a large program controlled machine that did vital calculations for the U.S. navy 1944
- 14. This is one of the first electronic computers to use binary the Electronic Discrete Variable Automatic Computer
- 15. “BUG” The term bug came up as a computer bug was termed by Grace Hopper when programming the MARK II.