Zusammenfassung der Ressource
CPU
- Arimethic logic unit(ALU)
- Able to perform basic arithemtic operations. Substract
multply and divide two numbers
- Able to perform logical operations(AND OR
NOT)
- Control Unit (CU)
- Controls the CPU and is the organizing force
- Instruction Register(IR): Holds the
instrucion
- Program counter(PC) Contains the adress of the
next instruction
- Bus: Makes information flow around the CPU
- Adress bus: Adresses of locations in the primary memory
are transferred
- Data bus: Actual data is transferred via this bus
- Primary Memory
- Cache: Stores frequently used instructions
- RAM: holds data and instructions.
- Heart of the computer
- The machine cycle
- Fetch:retrieves instructions of memory
- Decode: Breaks down instruction to parts
- Execute: The instruction is executed
- Writeback: Writes the result of the execute step