Well it depends on the device but anyway it is very little. Cellphones have the highest emission and you shouldn't keep them close like a pocket especially if you are pregnant as it is said it could probably make birth defieciencies.
This is referred to as SAR - Specific Absorption Rate.
no
It would be considered a storage device as you can give or receive information from the device.
Output.
no its storage
A laser printer is an output device.
No, a microwave is not an output device; it is classified as an appliance that uses electromagnetic radiation to heat and cook food. Output devices are typically defined as hardware that conveys information from a computer to the user, such as monitors or printers. While a microwave does output heat and cook food, it does not process or display information in the way that output devices do.
The printer is an output device
Output
A speaker is an output device.
Normally it is an output device. However a touchscreen monitor is both an input and output device.
Output device is simply a device which produces an output or result of any processing. For example: monitor is an output device which displays the output of the calculations done by the CPU.