Enlist the basic functional units of a digital system?

The basic functional units of a digital computer are as follows.

• Input unit: it takes in data and programs.
• Memory unit: it stores the data and programs.
• Arithmetic and logic unit (ALU): it performs arithmetic and logic operations.
• Control unit: it fetches, decodes and controls the execution of instructions.
• Output unit: it gives the results to the user.

The ALU and the control unit together are called the CPU.