Input/output devices are used to communication between an information processing system (such as a computer), and the outside world possibly a human, or another information processing system. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. The term also can be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are used by a person (or other system) to communicate with a computer. So better communication between the computer system (and information system) and the outside environment, we need to install these input/output devices to the computer system. The basic input/output devices such keyboard, mouse, speaker, printer, etc. are mostly I/O devices used in daily computation for a computer system.
To install the input/output device properly to the computational environment you need to follow some simple steps. These steps are as following:
• Input/out port identification: before installing any input/output device first of all you need to identify what type of port supported for communication by our input/output devices. One example your keyboard and mouse can be connected to one of two ports, either a PS/2 port or a USB (Universal Serial Bus) port, and a printer can be connected to USB (Universal Serial Bus) port or parallel port to the computer’s motherboard. You also need to make sure that your computer system’s motherboard will be able to support all types of ports or you won’t be able to install the input/output devices that you have.
• Turn off the running system: Power down your system before you begin the installation, this is very important. Anytime you're connecting a device to a computer system, it is best to have the power turned off (with the exception of hot-pluggable devices, such as a thumb drive or card reader, which the system will recognize immediately after you plug it in, even if the system is running)
• Now you...