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Computer Concepts and Logic
Computer Concepts and Logic
7
Computer Science
Undergraduate 1
10/28/2008

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Cards

Term
Machine Cycle
Definition
machine cycle
The four basic operations (fetching, decoding, executing, and storing) performed by a processor.
Term
Fetch
Definition
Processor operation that obtains a program instruction or data item from memory.
Term
Decode
Definition
decoding
Processor operation that translates a program instruction into signals the computer can execute.
Term
Execute
Definition
executing
Processor operation that carries out commands; part of the machine cycle.
Term
Store
Definition
storing
Processor operation that writes a result to memory.
Term
Transistor
Definition
transistor
Element of an integrated circuit that can act as an electronic switch that opens or closes the circuit for electrical charges.
Term
ASCII/EBCDIC/UNICODE
Definition
transistor
Element of an integrated circuit that can act as an electronic switch that opens or closes the circuit for electrical charges.
Extended Binary Coded Decimal Interchange Code (EBCDIC)
Coding scheme used primarily on mainframe computers and high-end servers.
Unicode
16-bit coding scheme that has the capability of representing more than 65,000 characters and symbols.
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