What is an input output device?
Alternatively referred to as an IO device, an input/output device is any hardware used by a human operator or other systems to communicate with a computer. As the name suggests, input/output devices are capable of sending data (output) to a computer and receiving data from a computer (input).
Is a smartphone an input or output device?
A computer is really any device that accepts input from a user, performs calculations on that input, and provides an output to the user. Usually, with a smartphone and tablet input is provided using a touch screen interface and the output is seen on a screen.
Can a device be used as both input and output device?
Typical output devices in a computer system are the monitor, speakers and the printer. Some devices that perform both input AND output operations are referred to as I/O (input/output) devices and their operations are called I/O operations. Examples of common input and output components are disk drives and modems.