a video card
Computer is an electronic device which converts raw data into meaningful information and process it.
A scanner takes an input which is printed materials (pictures, text) and converts it to an electronic format that can be edited.
A transducer is any device that either converts an external signal to an equivalent electronic signal or converts an electronic signal to an equivalent external signal.
Chicken
Think of any device that needs to be plugged in, or that is connected to the power network.Light-bulbs: convert electrical energy to light.Toaster: converts electrical energy to heat.Refrigerator: uses electrical energy as a heat pump (takes heat out of the inside, into the outside).Computer: uses the electrical energy in electronic circuits; eventually the energy gets converted to heat. (In other devices, the electrical energy also gets converted to heat, eventually.)Computer monitor: converts the electrical energy to light energy.Loudspeaker: converts the electrical energy to sound.Etc.
MICR Reader converts MICR characters into a form the computer can process
An Image scanner
A scanner.
a gps.
computer
This is an electronic device which converts electrical signal into a digital signal.
A compiler or interpreter converts high-level programming languages into machine code that can be understood and executed by the computer's hardware.