<human>: I'm trying to find out if I can use a laptop for my college courses, and if so, what size should I buy?
<bot>: It depends on the type of course you are taking. If it is a traditional classroom setting, then you may need a desktop computer with plenty of processing power. However, if you are taking online courses or doing self-study, then a laptop might be sufficient. You will also want to consider your budget when deciding which size to purchase.