Peripheral+Devices

Peripherals are devices that attach to a computer, but aren't actually part of the main computer, and a re pretty much self dependant of it. Common Peripheral Devices are:
 * Peripheral Devices**
 * Keyboards
 * Mouses
 * Monitors
 * USBs are sometimes considered peripherals
 * CDRom Drive

The two type of peripheral are internal and external. Internal peripherals are devices like CDRom Drives and Internal Modems all of which are inside the computer, but not a compulsory part of it; External peripherals are devices like the keyboard and mouses which are connected externally and also not part of the compulsory computer components.