know base 3

Question 1

Problem(s) with analog signals is that they have:

Answer 1

noise
signal degradation
multiple freq to deal with

all of the above

Question 2

Which of the following is not one of the stages occurring in the process of analog-to-digital conversion:

Answer 2

multiplexing

Question 3

The step that converts a voltage value of the analog waveform to a digital word in analog-to-digital conversion is called:

Answer 3

quanitizing

Question 4

________ is the final step in the analog-to-digital conversion process.

Answer 4

encoding

Question 5

Sampling is the process that formats the PCM words and ships them out onto the physical transmission medium, whether it is a copper wire or a fiber-optic strand.

Answer 5

FALSE

Question 6

The individual signal riding within the multiplexed signal is called a(n) ________.

Answer 6

channel

DS0

Question 7

The method that multiplexes digital words into time slots together in one signal is:

Answer 7

TDM

Question 8

How many digital zeros can be transmitted in a row before you violate the FCC consecutive zero rule?

Answer 8

15

Question 9

Explain what a “clear-channel” DS3 means.

Answer 9

there is no M13 timing, the DS3 is unchannelized

Question 10

What is the most common T1 line coding scheme used today?

Answer 10

B8ZS - extended superframe

Question 11

What is the sampling rate for a single analog conversation?

Answer 11

8khz

Question 12

What is the bit rate of a single analog channel when converted to digital

Answer 12

64kbs