When will a child be able to learn a computer?

A child can begin to use a computer usefully from the age of three, although he does need some heavy supervision and adult help at first until he becomes independent . Where a three- and four-year-old child can learn to open the computer, move the mouse, use the floppy disk and CD, access the letters on the keyboard, and follow the easy and simple instructions on the screen such as the following (next) and ok (ok) and exit (quit)And this helps him to progress in learning to read and increase his desire and passion in the more her .