the cpu

the cpu

the internal hardware component of the computer responsible for executing the instructions of programs

control unit

the control unit controls and coordinates the activities of the cpu, and directs the flow of data between the cpu and its devices

arithmetic logic unit

the component of the CPU that performs arithmetic and logical operations on the data

buses

a set of parallel wires connecting two or more components of a computer

memory address register

holds the current address that is to be fetched from memory

memory data address

holds the content/data that is found at the address held at the memory address register

program counter

holds the address of the next instruction, and increments by one

current instruction register

holds the current instruction that is split into operand and opcode

accumulator

holds the results of the calculations done by the alu