Answer:
They use principles of light to scan document
Magnetic scanning
Explanation:
<span>Use 8-bit resolution when recording human speech in an audio file.
</span><span>The </span>resolution<span> of </span>8 bits<span> can encode an analog input to one in 256 different levels. The reason why 256 levels is because 2^8</span><span> = 256.
</span>The analog to digital converter (ADC) <span> represents the analog input as a digital word.</span>
.docx is the default file extension on a Word doc.