Computer science textbook, opened book, messy desk, office chair, wooden table, dim lighting, late night study, solo student, male, young adult, glasses, casual wear, blue shirt, jeans, sneakers, coffee cup, empty pizza box, notes scattered, highlighted texts, diagrams of CPU, ALU, registers, bus, memory hierarchy, instruction cycle, pipeline stages, RISC vs CISC, Harvard architecture, Von Neumann architecture, etc., detailed illustrations, colorful diagrams, clean lines, minimal background, soft focus, shallow depth of field, educational atmosphere.