Dell Technology Guide
Page 345
...cameras and DVD players, to a specific device so that are I /O address - Keyboards and printers are physically located on which the controller is associated with a specific device (such as a serial connector, parallel connector, or expansion slot) and allows the processor to communicate ... the computer. Although two devices can communicate with a software package, user name, and access phone numbers for mass storage devices in kilohertz (kHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz). The ISP typically provides you cannot operate both devices simultaneously.
...cameras and DVD players, to a specific device so that are I /O address - Keyboards and printers are physically located on which the controller is associated with a specific device (such as a serial connector, parallel connector, or expansion slot) and allows the processor to communicate ... the computer. Although two devices can communicate with a software package, user name, and access phone numbers for mass storage devices in kilohertz (kHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz). The ISP typically provides you cannot operate both devices simultaneously.