ASSIGNMENT 1
Textbook Assignment:
“Fundamentals of Data Communications,” chapter 1, pages 1-1 through 1-13;
“The Link-11 System,” chapter 2, pages 2-1 through 2-8.
1-1 .
1-2.
1-3.
1-4.
Which of the following are components
of a communications system?
1. Receivers
2. Transmitters
3. Communications channels
4. All of the above
The conversion of da. to a form that can
be sent over a communications channel is
a fiction of which of the following
communication system components?
1. The transmitting equipment
2. The receiving equipment
3. The communications channel
4. The computer
Data sent over a communications channel
may be in which of the following forms?
1. Analog only
2. Digital only
3. Either analog or digital, depending
on the type of system
4. Alphanumeric characters
A communications channel signal that
varies continuously between a minimum
and a maximum value is what type of
signal?
1. Analog
2. Digital
3. Numeric quantities
4. Alpha characters
1-5.
1-6.
1-7.
1-8.
To convey data, analog signals can be
varied in which of the following ways?
1. Phase only
2. Amplitude only
3. Frequency only
4. Phase, amplitude, or frequency
Which of the following communications
signal types have a limited set of values
and
1 .
2 .
3 .
4 .
are transmitted as discrete pulses?
Analog
Digital
Both 1 and 2 above
Alphanumeric characters
In which of the following types of
communications channels is data in a
single direction ONLY?
1. Simplex
2. Duplex
3. Half duplex
4. Full duplex
Which of the following communications
channels can transmit and receive data
simultaneously?
1. Simplex
2. Duplex
3. Half duplex
4. Full duplex
1
