I think hardisk
ocr
Every orange is a fruit, but not every fruit is an orange. A knife is a device, but it is not a machine.
biometric device
a simple machine is a mechanical device
a device
It is an electrical-electronics device.
its force and speed and energy
The page of text is first scanned and then an Optical Character Recognition (OCR) software program is used to convert the scanned text file into a machine-encoded text file that the user can edit and make changes to. So the device is a scanner, usually a flat-bed scanner, or a hand-held scanner, or a printer that has an inbuilt scanner.
If it pertains to electrical controls on a machine then the safety device is called an emergency stop button.
It is a machine or device that been run or tranducer by electronics
increases energy
Force