*** please don't copy and paste and don't use handwriting ******** (Thank you )

Q2: Explain how analog sound is digitized into digital sound in a computer system.

Q3: What is the 8-bit for 2s complement representation for the decimal value as the following -12 and -18? Answer with complete steps.

Q4:

1. Represents (19349)₁₀ using Exponential Notation and show the format specifications of the provided answer
2. What is the 2s complement of 01111001