A modem (Modulator-demodulator) is both. It allows you to input data (download) and output data (upload).
output
I expect you mean "Is Card reader/writer input or output?". If this is so, it is both an input and output device. Whenever you are trying to categorize a device as Input or Output, think of how it looks from the computer.If the computer is transmitting data to it, it is an Output device.If the computer is receiving data from it, it is an Input device.
Pendrive is not a input device nor output device IT is STORAGE DEVICE. storage device, only data can be saved in pen drive.
It is a Output device as it projects images and text.
input device
It's a storage device... It is to store data,and use the data from it to let other input/output/processing devices work... do not get confused thinking it as a input or output device...
scanner is an input device. it is used to store data in a computer.
An SD card is considered a storage device rather than an input or output device. It is used to store data such as photos, videos, and documents. When data is written to an SD card from a computer or camera, it is considered an output action, and when data is read from an SD card into a device, it is considered an input action.
an input device put information in, and an output device gives information out.eg.Name Type of Device UseKeyboard Input To type informationmouse input To select objectsMonitor output To see informationspeaker output to hear sound
The data goes to the printer so it is an output device.
input