Lesson 3! :)

             How to Take Care of Your PC

  -Computers must be placed in cool dry and dry places.

  -Cables must be tied together to keep them away from walkways to avoid accidents.

  -Don't eat in front of the computer. Food bits attract insects that can penetrate the hardware and         cause malfunctions.

  -Always use AVR too much electricity might cause it to short.

  -Do not bump the computer components.

  -Avoid clutter around your computer. Use soft cloth in cleaning your computer.

  -Always scan for computer viruses. Some connections carry viruses that can damage files.

•  Users Health Risk And Prevention :)

  Good Working Habits

1. Tap on the keys and mouse buttons gently
2. Avoid long, uninterrupted periods of typing
3. Avoid staring at the monitor for long periods.

        Proper Workstation Design

1. Position in a well-ventilated, comfortable room
2. Use an adjustable workstation and an ergonomic computer chair
3. Place the monitor 16-24 inches away at eye level or slightly at a lower angle. 
4. Adjust the brightness and contrast settings.
5. Tilt the monitor.
6. Use extendable/retractable legs of the keyboard. 
7. Place mouse where it is easily accessible by your dominant hand.
8. Use a document holder to minimize vertical head movements.

      Proper Posture

1. Sit up straight and put the feet flat on the floor. Use a footrest if needed.
2. Position your lower arms parallel with the floor and level to the keyboard , while keyboards on the side.
3. Keep your wrists straight.
4. Do not lean into the monitor, but sit close enough to the keyboard and the mouse to stay relaxed.