The correct answer is A. Console.
A console is a device that enables human operators to communicate with a computer. It typically consists of a keyboard and a display screen. The keyboard is used to enter commands and data into the computer, and the display screen is used to show the results of those commands.
A keyboard is an input device that allows a user to input text into a computer or other electronic device. It is one of the most common input devices, and is found on most computers, laptops, tablets, and smartphones.
A printer is an output device that prints text or images onto paper. It is used to create hard copies of documents or images that have been created on a computer.
A CPU, or central processing unit, is the main processing unit of a computer. It is responsible for carrying out the instructions that are stored in the computer’s memory.
E is not the correct answer because it is not a part of a computer system that enables human operators to communicate with the computer.