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How Computers Work, Ninth Edition by Timothy Edward Downs, Ron White

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Part 5. Input/Output Devices

Input/Output Devices
Input/Output Devices
Input/Output Devices

GIGO

—Acronym for “Garbage in, garbage out,” the programmer’s way of saying that the results you get out of a computer are no better than the data you feed into it.

REAR Admiral Grace Hopper was an early computer engineer who helped create the language COBOL and invented the term “bug” when she literally found a dead insect that had caused Harvard’s Mark II computer to malfunction. Dr. Hopper often taught computing classes, ...

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