Zusammenfassung der Ressource
CPU - Components
- Control Unit (CU)
- Controls data moving through the processor,
controls the timing of operations and the
instructions sent to both the processor and
any peripheral devices.
- Controls and monitors
the hardware, making
sure that the commands
given to it by the
application software
used.
- Controls the input
and output of data
so that the signals
- It controls the
flow of data
within the CPU
(Fetch-Execute
Cycle).
- It controls the
flow of data
within the CPU
(Fetch-Execute
Cycle)
- Arithmetic Logic Unit (ALU)
- Arithmetic Logic Unit (ALU)
- Performs calculations on the
data. (Arithmetic Part)
- Deals with logic and
comparisons. (Logic Part)
- Processes data by either manipulating or acting upon it.
- Registers
- The Accumulator - Holds data that is being processed.
- The Program Counter - Used to store the location of the next instruction.
- The Memory Address Register (MAR) - Used to store the location of the next instruction and places it into RAM.
- The Instruction Register - A type of memory found in the CPU.
- The Memory Data Register (MDR) - Instructions are copied here temporarily from the main memory.