If your are looking for a cheap computer then you will be able to get all you need from a second hand computer or PC. Even though the price of new computers is coming down there is still a great demand for second hand systems that are ideal for home users and also children. Many companies when they install new office equipment will sell off their old computers in lots at auctions and the computers can be bought at a reasonable price. Many companies change their computers regularly to keep up with the latest hardware so the second hand Pc's on the market are generally very modern with a good specification.