To help children learn computers, it is best for parents to learn to use computers first. This can not only recommend software to children, but also effectively prevent children from using unhealthy software. It can also set a model for children to learn continuously and be aggressive. The main meaning of this passage is:. ["Parents' use of computers can directly help children learn computers.", "Children's Computer Needs Parents' Help.", 'Parents learn to use computers to help children learn and grow.', 'Parents need to learn computers by helping their children learn computers.']