PD
a transceiver
An output device, such as a monitor (screen), or a printer.
iphones and ipod are one of them.
photos
It can be classified as both. It receives output from one device. It boosts the power and sends it as input to another device.
A device that can take pictures and output them to your computer....
A joystick is an input device. It receives input from the user in the form of it's operation which it then passes on to the computer. Speakers are an example of an output device. They receive no input from the user, and only output (sound in this case). You can think of an input device as something that gives the computer information. And an output device as something that receives information from the computer.
When it receives a fax it prints the transmission out.
Frame, packet, segment, and lastly data shows the correct order of PDU de-encapsulation when a device receives messages from a network.
It is an input device because you are inputting pictures from the camera to the computer. It could also be considered an output device since it can display the pictures on its LCD display.
An output device is a computer device which receives the signal from the Micro Processors & gives the result to computer user. Computer Printer, Monitor and Speaker are examples of output device.