Question:

(a) Program instructions and data are brought into memory first, in order to be executed. Explain how the CPU enables an instruction to be executed?

(b) Describe Intellectual Property and the reasons behind Fair usage policy.

(c) Describe three health and safety issues to consider when using a computer.

(d) Differentiate between worms and boot-sector viruses, and how each one can invade computer systems and programs.

(e) Briefly explain the techniques used for security purposes on the Internet.