Components or different parts of the CPU
Arithmetic Logic Unit (ALU): This is the critical part of the CPU. Responsible for overseeing all numerical and logical functions such as subtraction, addition, division, and multiplication.
Control unit (CU): CU is the main component of the CPU. It directs tasks throughout the system and regulates all computer activity that occurs.
Memory or Register: A register is a specific kind of memory. Memory stores information that the processor needs to process or has already processed.