Computers for Beginners
With the aid of diagrams, text and cartoons, this book describes the different components of a computer and explains how they work. It takes the reader from the basics of computer technology through to the latest developments, and shows how computers are vital to so many aspects of our lives.
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applications software arithmetic unit Babbage bar code binary code bytes calculations carry chip color compact discs computer is turned computer system computer's control unit converted copy create dafa Daisy wheel data and instructions database device called diagram digits disk drive document Dot matrix printers electrical pulses electronic circuits ENIAC files floppy disk graphics hard disk hardware and software headset High-level languages inked ribbon inside Integrated software keyboard laser beam linked Local area networks logic gates Low-level languages machine code mainframe metal Michelangelo virus modem monitors mouse non-pulses numbers OCRs operating system optical discs output PDAs personal computer pixel plastic printed circuit board process data Processing Unit Random-Access Memory Robobike satellite scan scanners screen sends Silicon software packages Spreadsheet stores data systems unit telephone transistors virtual reality virus Viruses Word processing software