Modern digital design book, computer architecture 2nd edition, PDF format, open on laptop screen, solo male student, wearing black glasses, messy brown hair, casual white T-shirt, relaxed fit jeans, sneakers, sitting at wooden desk, surrounded by scattered notes, empty coffee cup, and wires, in a cozy university dorm room, warm softbox lighting, shallow depth of field, blurred background, 3/4 composition, slight Dutch angle.