Answer:
Last week, we talked about what happens when you press the power button: what components and systems work together to start up your computer, what slows it down, what speeds it up, and what else is inside your computer.
In this step, we’re going to look at what happens when you press a key on the keyboard.
The process of pressing a key in something like Microsoft Word and seeing it displayed on the screen is a good demonstration of what a computer system is: a set of devices that input, process, output, and store data. It illustrates how the hardware on a computer communicates with the software, and vice versa.
