Central Processing Unit

Computer hardware:
INPUT, OUTPUT, STORAGE, PROCESSING

By ICT Assessments

​A central processing unit (CPU) is the electronic brain of a computer

​Parts of the CPU

​Control Unit (CU): Directs how the computer works. This is done by:
a. Fetching(searching)
b. Decoding (Interpreting instructions)
c. Executing (Performing according to instructions).

Arithmetic and Logic Unit (ALU): Does all the math (addition, subtraction, etc.) and logical decisions (like comparing numbers).

Registers/Memory: Small, fast storage inside the CPU that holds data, instructions, and results while the computer is working.