How many discrete amplitude levels does a 3-bit AD simal have? a. 8 levels b. 64 levels c. 128 levels d. 256 levels Given an SN value of 10, what would be the SNR value a 10 dE b. 20 dB c. 30 dB d. 40 dE Given an SNR value of 20 db, what would be the SN value a, b. 100 c. 1000 d. 10000 What is the Data Rate for a communication system that a BW of 2 KHz and a sinal with 2 discrete levels a. 2000 bps b. 4000 bps . 6000 bps d. 8000 bps If a signal is sampled at times 0s, 0.15 s, 0.30 s,0.45 , etc. Its fundamental sampling time (period), T, would be a. 0.15s b. 0.20s c. 0.25s d. 0.30s If a signal is sampled at times 0s, 0.01, 0.02 s,0.03 s, ., etc. Its fundamental frequency would be a. 1 Hz b. 10 Hz c. 100 Hz d. 1000 Hz The last step used in an AD is a, Phase Modulation b. Encoding d. Frequency Modulation One of the three types of modulation used in digital communication is: a. Sampling b. Encoding c. Quantization d. Amplitude Modulation