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10 Cards in this Set
- Front
- Back
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What is ROM?
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Permanent internal memory that is inaccessible to the user, used to store instructions installed/ programmed at manufacturer.
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What is RAM?
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Temporary memory designed to hold new data available only while the computer is on.
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What is an ALU (Arithmetic Logic Unit)?
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The sector of the CPU that performs the mathematical calculations required in many processing programs.
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Cache
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provides a temporary storage area that provides a quick access to info
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Binary Coding System
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ASCII= American Standard Code for Information Interchange ....
made up of a series of zeros and ones |
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BIT
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Smallest unit of binary info
a single binary number; zero or one |
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BYTE
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8 bits = 1 byte (binary code for 1 character of data....ex. A= 010000001)
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KILOBYTE
MEGABYTE |
1024 bytes = 1 kilobyte
(1024 keyboard characters of info) 1024 kilobytes = 1 megabyte (1 million keyboard characters) |
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GIGABYTE
TERABYTE |
1024 megabytes = 1 gigabyte
(1 billion keyboard characters) 1024 gigabytes = 1 terabyte (1 trillion keyboard strokes) |
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Input devices
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Allows input of data into the computer...(ex. keyboards, mouse, scanners, microphones, etc.)
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