Healthy computer habits We need to take good care of ourselves when we are using computers, especially when we are using them for long hours. Sitting posture Keep your back straight and avoid slouching when sitting in front of the computer. ✓ ✗ 66 Computing Science Primary 1
Taking breaks We should not work or play too long on a computer. We should take a break every 30 minutes. We should look away from the monitor screen, and look at faraway objects instead. We can also close our eyes and let them rest for a while. What should we do when we are taking a break from using the computer? Watch this video to know more about the right things to do when we are using a computer. http://tiny.cc/lbgefz 30 min Chapter 4 67 Proper use of computers
If you do not take a break from the computer, your eyes may feel tired, dry or watery. Some people may also suffer from headaches. We can listen to some music while closing our eyes. We should exercise our hands by doing some grabbing movements. We can have some refreshment, do stretching exercise or even talk to someone. 68 Computing Science Primary 1
Uses of the Internet We use the Internet in many ways. We search for information from the Internet. The Internet is a very large computer network that connects millions of computers in the world. Internet Chapter 4 69 Proper use of computers
We can watch movies, listen to music and play games using the Internet. We can buy things online. We can save time by paying our electricity, water and telephone bills using the Internet, instead of queuing. 70 Computing Science Primary 1
With the Internet, we can communicate with other people anywhere, any time. When we are using the Internet, we must be extra cautious. The people who we are connecting with might not always be who they say they are. They might be bad people trying to harm us. Internet safety Is the Internet safe? Chapter 4 71 Proper use of computers