Pink

Orange

Black

Green

Symbol-to-Noise Ratio

Signal-to-Noise Ratio

Source-to-Noise Ratio

Sound-to-Sound Ratio

Low frequency

Mid-range frequency

Very low frequency

High frequency

Speaker

MIC

Printer

Scanner

Start -> Accessories ->Properties

Start -Control Panal -Hardware and Sound

Start -All Programs-Properties

Start -MS Office - Notepad