Answer:
Well the background sound is the sound of course in the background and the nat sound is the curremt sound
Explanation:
(IEEE) Is the obvious answer ; no harshness meant in any way
A projector would make his presentation bigger.<span />
Answer: 1)System Palette
Explanation: System palette is kind of palette found in the system which contain the color values that is used by the display.This palette is also drawing of the devices and applications.But the application don't get the direct access to the system palette rather logical palette permits it.
They work on the basis of the properties carried from the Back color and Fore color.Other palettes mention in the option is incorrect because these palettes don't work for the operating system's display .Thus the correct option is option(1).