Answer:
d) Digitizer
Explanation:
In computing a digitizer refers to a piece of hardware that converts analogue input to digits. Analog signals refers to signals that are in a continuous range such as light, sound and records. A digitizer therefore basically gets signals from (touch, sound, light etc.) and transforms and transports it to the CPU. On a tablet or laptop, the signals will received from the finger of a stylus (digital pen).