Label this diagram with the advice 1-8

Dangers
Advice
1	Backache		a	Move the cables.
2	Electric shock		b	Don’t bend your back while sitting at a desk!
3	RSI (repetitive strain injury)		c	Let it cool down.
4	Trips and falls		d	Unplug!
5	Short circuit		e	Keep your wrists straight.
6	Burns		f	Don’t spill your drink.

3. 
   True/False Questions.
   

T F 1. Do not use the computer during a storm.

T F 2. Spray your computer with household cleanser to keep it clean.

T F 3. Spilling liquids on your computer won’t hurt it.

T F 4. Keeping your computer dust-free can help it last longer.

T F 5. Your mouse should never need cleaning.

T F 6. It won’t hurt to eat meals while using the computer.

T F 7. Install one program, and then test your computer for problems before installing another program.

T F 8. Downloading from Internet sites could expose your computer to dangerous viruses.

T F 9. Surge protectors can help guard against lighting, but may not be complete protection.

T F 10. You should remove the computer cover monthly to clean inside.

T F 11. Opening an e-mail attachment could download a virus into your computer keyboard.

T F 12. Canned air can be used to clean your computer keyboard.

T F 13. There is room at the computers to store your books and supplies.

T F 14. You can bring a snack to the computer lab.

T F 15. Part of good computer posture is to sit up straight with feet flat on the floor.

T F 16. Playing Solitaire without teacher permission is computer misuse.

T F 17. You can modify the computer desktop and screensaver in the labs.

T F 18. Copyright law prohibits students from copying on-line information and turning it in as their own work.

T F 19. Multimedia presentations must give copyright information about websites used for project research.

T F 20. It is legally to copy software or music CD’s from a friend and not buy them from a store.

T F 21. You can use a chat program in the computer lab if your work is done.

T F 22.The definition of etiquette is to use good manners, be polite, and respect the property of others.

T F 23. You should know the location of the fire extinguisher and the first aid box and how to use them in case of an emergency.

T F 24. It is OK to step on electrical wires or any other computer cables.

T F 25. You can insert metal objects such as clips, pins and needles into the computer casings

4. Fill the table given below for each generation of computers.