1. It's natural, I use computers very often.
2. Normally, I usually go online about 4-5 hours a day.
3. In my opinion, I prefer to use a laptop rather than a desktop because it is much more convenient and compact.
4. Normally, I use the computer for studying, I also often go to learning websites such as hoc24, hoc247, .. to refer to materials for lesson preparation.
5. I think it is very necessary, it serves a great deal in our work and daily activities, helping us to keep up with the development of society.