Why is it necessary to have input and output devices as part of a computer?

so that you can see what is happening (monitor, speakers, etc. – output devices).
and input devices (keyboard) are needed to enter data into the computer.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.