how to use a computer properly

How to  use a computer to avoid the first, the view  ... to us to  use the computer properly,  use the computer to avoid the first, the eye is recommended that the monitor has an anti glare screen or can wear colored glasses. Secondly, the position of the body elbows and knees form a 90 'and had to sit upright. The keyboard should be the same height as your elbows so that your arms and fingers reduces muscle tension and joints. If the seat is high we can use leg braces. Third, the location of the wrist, fingers and hands in a relaxed state, not arched and tense.

1. Monitor

Computer monitors typically use the picture tube (CRT) that can emit light intensity is high enough to be accepted by the human eye. Therefore, part of this device should have anti-radiation screen, in order to avoid eye damage, to reduce the complaint to the eye, there are a few things to note:

a. Place the monitor in such a way diruangan that the screen does not reflect
light from other light sources.
b. Lay it low lebiih monitor hoizontal line of the eye, so as not mengadah or down.

c. Arrange the monitor so that the light is not too bright and dark
d. Frequently winks to keep your eyes do not dry. Every now and then looked away out of the room.

2. CPU ( Central Processing Unit )

Part of the computer may not be directly in contact with the hands (wet) due to the existing power of the CPU can sting humans.

a. Wet hands either by water or sweat can not be directly in contact with the CPU.
b. Electricity available on the CPU can cause shock.

3. Computer Cables

Part of computer equipment from the water should be avoided, as it may cause a short-circuit  (short circuit) . This short-circuit may cause fire.

4. Keyboard

Research has shown that the position of the keyboard is one of the factors causing pain in muscles and joints. Causes of muscle and bone pain caused by the use of a keyboard is
certain radius in a long time.

Avoid spilling water on keyboard which can lead to:
a. Keyboard  hangs  / broken
b. Keyboard mossy buff and beautiful kuningn
c. Short circuit.

5. Outlook Eyes

To ease the pain of the eye due to pandanagn focus to the screen
has anti-glare display or wear tinted glasses.


6. Body position / posture


• lack of proper body position makes it less comfortable
• Position the legs can refute the floor
• Elbows and knees form a 90 degree
• Sit upright
• Keyboard level with the elbow so that the movement of the hands and fingers can
reduce muscle tension and joint


7. Layout Wrists, fingers and arms


• Make sure the wrist, fingers and arms in a relaxed state,
not melangkung and tense
• The location of the correct position to avoid arthritis
(Repetitive strain Injury-RSI)


8. Rest


Rest for 10 minutes after working 1 hour in front of the computer to

eyes and other organs also rest.

Technology facilitates human life, small or portable computers such as notebook (laptop / netbook) has become a common device used by the public. But it turns out there is research that positions the device as a notebook can be harmful ...


to create a small notebook size the user must hold down. Even the seating position is not changed by adjusting the angle of view could hurt the  3 sides of the bone  body  humans.


It depends on how long. Professor Joseph Sweere from Northwestern Health Sciences University and Charlotte J. Schmitz from Ergontron .  positioned incorrectly will cause pain, the notebook screen position is lower than the head and hands must be higher to type pain in general can make the 3-point  hand joints, spine and neck bones. correct position is the eye must be parallel to the computer screen or notebook that collar bone and spine is not too bent. Measuring the best perspective on the monitor is to straighten the arm towards the monitor and point the finger at the center of the monitor or notebook       
to hand should form an angle of 90 degrees .  choice for notebook users, should use the adapter on the keyboard to be connected to the keyboard size and do not use the keyboard of notebook. Position notebook should also be increased in order to align with the user's eyes. 

The reason  :

In using a good computer, we need to know the right way so that we'll not misuse it. If we misuse it, it will greatly affect fetal to our physical and spiritual health. Therefore we should not ignore the terms that have been given to us to use the computer properly.