SS3 Second Term Data Processing Lesson Note – Maintenance of Computer

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WEEK 6

CLASS: SS 3                                                            

TOPIC:  Maintenance of Computer

CONTENT: 

• Details of Hardware Maintenance
• Details of Software Maintenance

SUB-TOPIC 1:  Details of Hardware Maintenance

Hardware Maintenance tips

1. Do not allow heat and moisture on your system
2. Clean the computer case and clear its ventilation ports of any obstruction.
3. Keep a neat key board, turn the keyboard upside down and shake it to clear the crumbs from between the keys. If that doesn’t suffice blast it briefly with compressed air. If the keys stick or your keyboard really dirty, pry it off for easier cleaning.
4. Make your monitor sparkle by wiping the monitor case and clear its vents of obstruction, without pushing into its unit.
5. Check your power protection.
6. Wipe your CD and DVD media gently with a moistened, soft cloth.
7. Use antistatic wipes for inside the system cleaning.
8. Avoid touching any part of the circuit board surface with your hand.
9. Replace CMOS battery when your time indicator losses.

SUB-TOPIC 2: 

Details of Software Maintenance

Software maintenance is the modification of a software product after delivery to correct faults, to improve performance or other attributes.

Categories (Types) of software maintenance:

1. Corrective Maintenance: This refers to modifications initiated by defects in the software.
2. Adaptive Maintenance: This includes any work initiated as consequence of moving the software to a different hardware or software platform-compiler, operating system or new processor.

• Perfective Maintenance: This refers to enhancements such as making the product better, faster, smaller, better documented, cleaner structured.

1. Preventive Maintenance: The purpose is making program easier to understand and hence facilitate future maintenance work.

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