Please circle the answer which seem most correct. Also, Please show work.

1. Compute the minimum number of bits in the A/D converter so that it has 36 dB of S/N

a. 4

b. 8

c. you can not find it with the given information

d. 6

2. a carrier with a frequency of 100 kHz is amplitude-modulated with the signal
list the frequencies at the output of the modulator

3. What S/N ratio is required to achieve a bandwidth efficiency of 5.0 for ASK? Assume that the required bit error rate is . Assume that

a. 10 dB b. 20.5 dB

c. 10.25 dB d. 25 dB