On the far left coffee maker application, how many shades of grayscale are being used on this menu display? Answer - 16 shades. With a 320x240 (QVGA) LCD resolution, a total of 38kB of image buffer is required to store one frame. How about the remote control menu in the middle? Answer - 256 colors. With a 320x240 (QVGA) LCD resolution, a total of 76kB of image buffer is required to store a frame of this menu. Lastly, how about the thermostat menu and how many colors are being used here? Interestingly with the vibrant color and its cool gradient effect, only 256 colors are used here. With a 320x240 (QVGA) resolution, a total of 76kB of image buffer is required to support this menu.