adplus-dvertising
frame-decoration

Question

Most data communications involving telegraph lines use:

a.

simplex lines

b.

dialed service

c.

wideband channels

d.

narrowband channels

Answer: (d).narrowband channels

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Most data communications involving telegraph lines use:

Similar Questions

Discover Related MCQs

Q. Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:

Q. What frequency range is used for TV transmission and low power microwave applications?

Q. Which of the following statement is correct ?

Q. In communication satellite, multiple repeaters are known as

Q. We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?

Q. The frequency range : 300 kHz to 3 MHz is used for

Q. Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Q. The core diameter of a single-mode fibers is about

Q. Which of the following is an example of bounded medium?

Q. Multilevel Amplitude Shift Keying (MASK) is not implemented with pure Amplitude Shift Keying (ASK), it is implemented with

Q. In a constellation diagram, a signal element type is represented as a

Q. The term that refers to the phase continues through the boundary of two signal elements is

Q. The example of an analog to analog conversion is

Q. The total bandwidth required for Amplitude Modulation (AM) is

Q. The total bandwidth required for AM can be determined from the bandwidth of the audio signal

Q. A constellation diagram can help us to define the signal's

Q. In Multilevel Frequency Shift Keying (MFSK), to send 3 bits at a time we can use

Q. In the case of Phase Modulation (PM), the value of beta (β) is

Q. Analog-to-analog conversion can be accomplished in

Q. The projection of the point on the X axis defines the peak amplitude of the