(a) (i) State what is meant by CAD software. [1]
(ii) Outline two benefits for the architect of using CAD software. [4]
(b) Explain the need for data compression software in storing and transferring these large graphic files. [3]
(c) (i) Describe how the architect could minimize downtime if the disk system on her computer fails. [3]
(ii) Outline two causes of data loss other than hardware failure. [4]