Computing skills are becoming important in all jobs - rather like the skill of driving. If you can use a word-processor well then tell them - although some journalists type with two fingers, word-processing is a valuable skill in journalism - if you can't do it then learn! Start by word-processing your essays.

You could also mention if you have used a database, Microsoft Windows or email. They will almost certainly not be looking for specific skills, just a general familiarity and willingness to learn. Desktop publishing skills could be useful especially if you are aiming at sub-editing posts where a knowledge of layout, fonts and kerning will be useful - "Quark" is the industry standard DTP package.

The Internet is becoming increasingly important and you may be asked your views on how it is effecting the traditional journalistic media. Try to learn how to use it, so you can talk from a position of experience