When buying a laptop, brand is all up to you (HP, Dell, Asus, Lenovo, etc.). At this point there is marginal difference in brand quality; what is important is what you need it to do and the hardware inside of it.
Windows-Based Laptops
Important Minimum Specs:
Traditional Student/Classes Example: Lenovo ThinkBook 15
Computer Science/Graphic Arts/Gaming Example: Lenovo Legion 5 Pro
NOT RECOMMENDED
Mac-Based Laptops
Important Minimum Specs:
Traditional Student/Classes Example: MacBook Pro
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Memory – 16 GB
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Hard Drive – 256 GB
Computer Science/Graphic Arts/Gaming Example: MacBook Pro
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Memory – 16/32 GB
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Hard Drive – 256/512 GB
Other considering factors include battery life (important if you have several classes in a row or are in locations with few outlets), weight, number/type of ports to connect your other devices, and finally price. In the end its all about preference but these are good rule of thumbs to go by when looking for a college laptop.