ответить на вопросы: 1. which operations can you do on your computer? 2. what harm can one get from the computer? 3. can you explain in your own words what is electronic trespass?

1. On my computer I can find the information in the Internet and print it is it is necessary. 
2. One can get eye problems from using the computer too much. 
3. As I understand trespass is when you try to use somebody's property, which can be a thing or information. Other meaning is  - using something too much.