The programme itself is a practical training period, where you get a chance to work on interesting projects.
You can view some examples of projects under the following link:
https://hrapps.cern.ch/public/f?p=124:11:0::NO::P11_PROGRAMME:TECH
It is also possible for you to complete your final project at CERN, such as your bachelor or master thesis.
To apply to the programme you should have completed at least 18 months of your undergraduate studies and need to remain registered as a full-time student during the whole period of the internship.
The deadline for application for the coming committee is 12th April 2017.
Read more:
Technical Student Programme at the CERN