chapter 1 comms

process of exchanging of information

• communication

• transmission

• store

• reception

key barriers to human communication are:

(choose two)

• time

• distance

• ignorance

• language

Electronic communications was discovered in which century?

• 17th

• 18th

• 19th

• 20th

Which of the following is not a major communications medium?

• Free space

• Water

• Wires

• Fiber optic cable

Random interference to transmitted signals is called

• Adjacent channel overlap

• Cross talk

• Garbage-in-garbage-out

• Noise

The communications medium causes the signal to be

• Amplified

• Modulated

• Attenuated

• Interfered with

Which of the following is not a source of noise?

• Another communications signal

• Atmospheric effects

• Manufactured electrical systems

• Thermal agitation in electronic components

One-way communications is called

• Half-duplex

• Full duplex

• Monocomm

• Simplex

Simultaneous two-way communications is called

• Half duplex

• Full duplex

• Bicomm

• Simplex

The original electrical information signal to be transmitted is called

• Modulating signal

• Carrier

• Baseband signal

• Source signal