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10 Cards in this Set
- Front
- Back
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bit
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a single binary number: a zero or one
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byte
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8 bits; the binary code for one character of data. 01000001 =A; 01100001=a
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kilobyte (K/KB)
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1,024 bytes= 1 K or approximately 1,024 keyboard characters of information
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Megabyte (M/MB)
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1,024 kilobytes = 1 MB or approximately a million keyboard characters of information
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Gigabyte (G/GB)
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1,024 megabytes = 1 GB or approximately a billion keyboard characters of information
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Terabyte (T/TB)
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1,024 gigabytes= 1 TB or approximately a trillion keyboard characters of information
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Central Processing Unit CPU consists of 3 sessions
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Control Unit- directs the information, ALU- performs mathematical claculations, Memory - Accepts and retains data during processing
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storage devices
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allow storage of data for later use
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floppy disks
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removable storage devices
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Universal Serial Bus (USB) ports
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provide an easy, universal way to connect an arra of devices and provide faster transfer of information to printers, scanners, digital cameras, storage drives, modems, speakers, and other devices
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