Question 1
Assuming a sample rate of 10 kHz and 16 quantization levels, what is the bit rate?
Question 2
Convert a signal-to-noise ratio of 70 dB into a power ratio.
Question 3
Which type of pulse modulation represents each sample using n bits?
Question 4
Which line coding scheme returns to zero within a bit period?
Question 5
How much international data traffic is supported by undersea fiber optic cables?
Question 6
What is a characteristic of Bipolar line coding?
Question 7
What is the required bandwidth for a data rate of 40,000 bits/second using PCM?
Question 8
What is the bandwidth efficiency of NRZ coding?
Question 9
What type of digital communication does not involve a high frequency carrier?
Question 10
According to the Shannon-Hartley theorem, what parameters determine channel capacity?
Question 11
What is the formula for calculating the data rate in PCM?
Question 12
Given a required data rate of 2.3 Mbps and SNR of 70 dB, what is the required bandwidth?
Question 13
What form of digital communication converts digital data into pulses for transmission?
Question 14
Does 16 levels require double the bandwidth of 17 levels?
Question 15
What is the primary form of communication in digital baseband communication?