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Input
• First the information is entered through the input
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Memory
• Next the information is sent to memory
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• Now the information enters the micro processor
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Fetch
• First information is obtained from memory
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Decode
• Next Decode figures out what action to do
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Execute
• Binary calculators do the math extremely fast
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Output• Finely the digital information shows up
in output
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The first handheld two-way radio or “handy talkie” made by Motorola in 1940
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The Z3,built in 1941, was the first fully operational calculating machine
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• 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.
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the first portable FM two-way radio or “Walkie Talkie"
• Weighed 35 pounds
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Harvard-IBM MARK I was a large program controlled machine that did vital calculations for the U.S. navy
1944
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This is one of the first electronic computers to use binary
the Electronic Discrete Variable Automatic Computer
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“BUG”
• The term bug came up as a computer bug was termed by Grace Hopper when programming the MARK II.