19
2-67. The process of arbitrarily dividing a wave
into a series of standard values is referred
to as
1. arbitration
2. quantization
3. interposition
4. approximation
2-68. A pcm system is capable of transmitting
32 standard levels that ate sampled 2.5
times per cycle of a 3-kilohertz
modulating signal. What maximum
number of bits per second are transmitted?
1. 18,750
2. 37,500
3. 75,000
4.
240,000
2-69. Which of the following is a characteristic
of a pcm system that makes it
advantageous for use in multiple-relay link
systems?
1. Average power is constant
2. Average power decreases with each
relay
3. Noise is not cumulative at relay
stations
4. Quantization noise decreases with each
relay
