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First built a mechanical computer. First known as programmable computer. He was an engineer. He also studies at Cambridge University. He started his ideas about computers around 1812.
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She was English mathmatican and writer. She the first idea of Scientific Programming. Ada Lovelace was known as the World's first programmer.
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Made to store memories.
Advantagtes: store memories
Disadvantages: Too big,expensive,and use lots of heat.
EX: UNIVAC,ENIAC -
Faster, Cheaper, and Smaller
Input: Punched cards
Output: Printouts
Develop language and symbols
EX: IBM 1401 -
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Increased the speed and skillfulness.
Input: Keyboard
Output:Monitor
Advantages:smaller size,less heat required, less failure
Disadvantage:need much of air conditioning.
Ex:IC -
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During 1971-present
Thousands of informations were stored in a single chip.
Input:keyboard,mouse
Output:monitor,printer
Advantages:small,linked to form networks, which became internet.
Disadvantages:required manufacturing
Ex: Apple -
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