CONTROL BUS, Sends control signals to different parts of the computer., ADDRESS BUS, Carries information about where the data is being sent., DATA BUS, Carries the actual data., PC, Holds the memory address of the next instruction to be fetched., MAR, Holds the address of the current instruction that is to be fetched from memory, MDR, Holds the contents found at the address held in the MAR, ACC, Holds the data being processed and the result of processing., HERTZ, The speed in which instructions are processed., 1KHZ, One thousand instructions per second., 5MHZ, Five millins instructions per second., 3GHZ, Three billion instructions per second., CORES, Multiple instructions at the same time., CACHE, Holds frequently used instructions., CLOCK SPEED, The number of FDE cycles per second., CONTROL UNIT, Sends control signals to hardware., ARITHMETIC & LOGIC UNIT, Performs the arithmetic and logic operations..
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CPU DEFINITIONS
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Mrdoskocz
KS3
Computing
Computer Systems
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