Digital design book, open, chapter 7 solutions page, messy desk, modern office chair, floor lamp, PC tower, keyboard, mouse, coffee cup, notes scattered, highlighter marks, ruler, calculator, ergonomic laptop stand, multiple screens, windows OS, coding software, diagrams and flowcharts, detailed circuit boards, wires and microchips, motherboard components, CPU and GPU illustrations, futuristic neon lights, urban cityscape outside window, rainy night, softbox lighting, cinematic composition, 3/4 view.