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MARKING GUIDELINE -7COMPUTER HARDWARE & SOFTWARE LEVEL 3 NC370(E)(N2)V OR ANY OTHER SUITABLE ANSWER (6 x 1) 8.2 8.2.1 8.2.2 Load testing – how the system operates with large volumes of data users. (1 x 2) Sanity testing – accuracy of calculations and for normal or expected behaviour. (1 x 2) (2) (2) [10] QUESTION 9 9.1 • • • • • All computers and there components or peripherals come very well packaged. The packaging and wrapping can cause severe pollution if not properly disposed of. Some of the components even come packed in polystyrene. The printing on the boxes and or the plastic could be toxic. The peripheral devices could breakdown and if not properly disposed can cause more environmental damage. OR ANY OTHER SUITABLE ANSWER 9.2 (5 x 1) (5) CRT monitors can be cleaned by using: • Standard glass cleaner and • a lint free cloth. • Use a dry cloth LCD monitors can be cleaned by using: • Isopropyl or other similar cleaning agents. • Do not spray the cleaner directly on the monitor. • Spray the cleaner on the cloth and then wipe the monitor clean. (5) [10] OR any other suitable answer Any Five. QUESTION 10 10.1 • • • • • Milestones are very important points against which you can measure your progress, e.g. getting all the necessary components within two days may be the first milestone. The installation of the components. Testing the system. Installing and testing software – if necessary. Impact on the user, if any. OR ANY OTHER SUITABLE ANSWER Copyright reserved (5 x 1) Please turn over (5)