Lesson2: Tips when using computers .


Each of us wants the safe use of computers with the prevention of damage and maintain the computer away from the dangers and I saw it was my duty towards you and myself to remind you and myself with this tips.
We must take account of these tips when using computers:
First: to keep your computer:
- put the computer at place far from fumes emanating from the kitchen.
- To be away from direct sunlight to prevent high temperatures because he needed to cool the internal parts from which a temperature during the operation.
- To be the place away from the dust.
- That the place of the computer completely clean .
- To be away from the places of radar or radio radiation (such as mobile phones).
- The presence of high current protection to computer.
- Delivery of the body outside of CPU with ground bare.
- Non-participation in the single source of energy with other electrical equipment especially those of the existing quality Motors, such as refrigerators.
- Attention to good delivery of energy on computers to prevent a spark from electrical wiring or wires.
- Use of current stabilizer.
- The use of UPS equipment (uninterruptible power supply) which is used to obtain an a stable electrical current for a certain period in case of power cuts from the main source,
Secondly: to maintain yourself when you are in front of the computer:
- Make your head straight when you sit in front of the computer.
- Don't stay for a long time in the front of the computer and must practice sport for the 2 minutes after every half-hour spent in front of him .
- Mid-screen parallel to the level of your nose while sitting in front of the computer .
- The level of the keyboard is stable to make the shoulders straight.
- When sitting must be the integrity of your head and one with backbone.
- Must be far distance of 70 cm on computer screen.
- Use filter screen.
- take rest from looking at the computer screen every hour at most, given away from the screen to protect your eyes.
- Don't exposure your neck and spine to the currents of wind when you was sitting in front of the computer.

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