Going over parts of a computer and how it functions will help you understand all the vital components that make up a computer.
Answer:
<em>Every </em><em>couple</em><em> </em><em>of </em><em>month </em><em>or </em><em>whatever </em><em>you </em><em>give </em><em>it </em><em>to </em><em>someone</em><em> </em><em>else</em>
Answer:
hot components or sharp edges of computer is an example of a mechanical hazard
...something that the user knows.