QUESTION $1$

Select the correct statement$($s$)$ regarding the difference between analog and digital signals.

a$.$ analog signals are comprised of an infinite number of amplitudes and time slices

b$.$ digital signals are only represented by discrete values of $0$s$$ and $1$s$,$ and therefore can never convey analog information

c$.$ digital signals are more accurate than analog signals; this is why digital music sounds much better

d$.$ analog networks easily fit into the OSI Reference Model