A computer, or PC, is an electronics item used to communicate remotely with others, access the World Wide Web (browsing the Warbears website), and play video games. Amazingly, it doesn't get the BSoD! Have you got nothing better to do?
Computers can be bought at Bob's Furniture Shop for 500 credits. It is recommended for the user to buy a chair, since prolonged uses of the computer while standing may cause back injuries. And there is no hospital in Bedtime City.