You may also want to consider adding an internal or external ZIP drive to supplement storage and for backup purposes. Sound Multimedia applications are more enjoyable with sound. Should you add a sound card, make sure it is SoundBlaster TM compatible and supports stereo speakers, headphones, and microphone input . Your room will have Internet access and this will save you from paying recurring monthly charges to some third party. Two slots would suffice if an external modem were used or if your system has a built-in network card.
Network cards are available for both types.
As mentioned above, while we do not recommend any particular brand, it is suggested that you stay with established names in the industry. Some manufacturers offer better warranties than others and also check the computer trade magazines for reviews of actual performance and customer satisfaction. Only use a quality Category 5 patch cable. The network wall jacks in the residence halls look like large telephone connectors. You will find that feature in the Windows Control Panel under the Network option.