First of all, the computer program education affect early children for their mental lack humanity. The early children have to more human senses like a love with warming feel from parents and friends. Because human sense is most important thing for human's intelligent. If the two years old child is looking monitor and playing with firm mouse without human senses. He will be thing like this "I have to just follow the computer and then click or touch the keyboard." It is makes just poor logical child without intelligent.
Second, learning from a computer is harmful to a child's physical health. Now days, computer interfaces are not familiar with human's body. So computers causes a lot of pains especially the young body's eyes, wrists, and neck. If the ten years old child have been studied use computer since 2years old. Then, their neck could have bent. Moreover, we can see unusual weak and thin child's wrist. Also probably he will has been wearing the glasses and complain of his bad eyesight.
Finally, early children will be getting social problem in school when they attendance to school. The human's intellect is progressive through the social work. But the computers educational software systems are leading children in to isolate space from the real social world. Because children know if they make a mistake, then just click mouse for replay software. But it is very different in the social world. So, they could not realize "what is real