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Ada Lovelace
- What did the term 'computer' mean? a person whose job it was to perform calculations.
- Main contribution: the first computer programmer
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Alan Turning
- What did the term 'computer' mean? a single machine that can be turned to any well-defined task by being supplied with an algorithm, or a program.
- Main contribution: developing the first modern computer
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Mauchly and Eckert
Mauchly and Eckert- Time Period: (March 1946 – 1950)
- What did the term 'computer' mean? a computer that would use electricity to "think.
- Main contribution: inventing the ENIAC
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Charles Babbage
- what did the term 'computer' mean? a basic modern computer.
- Main contribution: conceived the first automatic digital computer
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grace hopper
- Time Period: 1977 to 1986
- What did the term 'computer' mean? a machine that did the same work.
- Main contribution: one of the first computer programmers to work on the Harvard Mark I.
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Mark Dean
- Time Period: 1980
- What did the term 'computer' mean? improved the personal computer (PC) through the Industry Standard Architecture (ISA) systems bus
- Main contribution: He developed the ISA bus, and he led a design team for making a one-gigahertz computer processor chip.