General computer-related talk not specific to any other forums.

Discuss computer software and get help. e.g. Microsoft Office, Mozilla Firefox, Filezilla

Hardware and peripherals such as hard drives, RAM, webcams and so on

There are a number of operating systems available, both free and paid.

There are hundreds of viruses on the loose, as well as spyware, malware, rootkits and so on. Having a firewall and some sort of anti-virus program is essential on a PC, especially if you are running Windows

Discuss programming languages such as PHP, C, C++, Python, C#, Java, Javascript and Visual Basic.

For many people gaming is one of the main reasons for buying a PC. Talk about PC games here, as well as online games.