The three major function unit which the modern computer has are

The three major functional units of a modern computer are the input unit, the processor unit, and the output unit. - Input Unit: The input unit is responsible for receiving data and instructions from external sources such as the keyboard, mouse, scanner, and microphone. - Processor Unit: The processor unit (also called the central processing unit or CPU) is the brain of the computer. It is responsible for processing data and instructions, performing arithmetic and logical operations, and making decisions. - Output Unit: The output unit is responsible for presenting information to the user or sending it to external devices such as the monitor, printer, or speakers.