A graphics processing unit (GPU) is a programmable logic chip that renders images, animations, and videos for a computer’s screen. It is often located on a plug-in card or on the computer’s main circuit board—the motherboard. The GPU functions as a coprocessor, taking some of the workload from the main processor so the computer can run faster. The Commodore Amiga, one of the first computer systems to gain a reputation for advanced graphics, contained a “blitter,” which does what? Discuss