How to describe computer skills in an application form? (Master's degree)
Computer skills can be divided into several area such as Basic Skills (Windows, Office), Business skills (Mail, Internet, Communication) to more professional skills Programming, Administration, Database, Network, Consulting, but these are really big areas. There is also Academic Computer Skills where should be software regarded to academic world (Latex, Open Source....) 

It is a really wide field, so maybe you should give more specific information about study programme for more information.