Final answer:
People use the hardware and software, interface with it, or use its output.
Step-by-step explanation:
People use the hardware and software, interface with it, or use its output. For example, a person can interact with a computer's hardware by typing on a keyboard or using a mouse. They can also use software applications, such as word processors or web browsers, to complete tasks. Additionally, people rely on the output of computers, such as the information displayed on a monitor or the sound produced by speakers.