SECTION C Answer any three (3) questions from this section 1) A user interface is how the computer presents information to the user and how the user gives the computer instructions. Name the two types of user Interface with an example each. 2) List 7 examples of system software 3) Distinguish between Hard copy and softcopy output with examples each. 4) What is a system Unit? and describe the types. 5) What is Power supply and describe how it works. 6) List the various stages of the machine cycle