The router is connected to at least two networks and decides which way to send each information packet based on its current understanding of the state of the networks it is connected to. A router is often included as part of a network switch. In digital audio technology, a program that moves a sound sequence from a compact disk onto a computer hard drive as a Wave file, often as a step toward converting it to an MP3-encoded file. The program that converts the WAV file to an MP3 file is known as an encoder. The program that plays the MP3 file is called a player.
Some audio products provide all three programs together as a package.
The sharpness of the image on a display depends on the resolution and the size of the monitor. The same pixel resolution will be sharper on a smaller monitor and gradually lose sharpness on larger monitors because the same number of pixels are being spread out over a larger number of inches.