adplus-dvertising
frame-decoration

Question

In _______encoding, we use three levels: positive, zero, and negative.

a.

unipolar

b.

bipolar

c.

polar

d.

none of the above

Posted under Networking

Answer: (b).bipolar

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In _______encoding, we use three levels: positive, zero, and negative.

Similar Questions

Discover Related MCQs

Q. The _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal.

Q. The ______ scheme uses three levels (+V, 0, and -V) and three transition rules to move between the levels.

Q. ______ substitutes eight consecutive zeros with 000VB0VB.

Q. ______ substitutes four consecutive zeros with 000V or B00V.

Q. ASK, PSK, FSK, and QAM are examples of ________ conversion.

Q. AM and FM are examples of ________ conversion.

Q. In QAM, both ________ of a carrier frequency are varied.

Q. If the baud rate is 400 for a QPSK signal, the bit rate is ________ bps.

Q. If the bit rate for an ASK signal is 1200 bps, the baud rate is ________.

Q. If the bit rate for an FSK signal is 1200 bps, the baud rate is ________.

Q. If the bit rate for a 16-QAM signal is 4000 bps, what is the baud rate?

Q. If the baud rate for a 64-QAM signal is 2000, what is the bit rate?

Q. Given an AM radio signal with a bandwidth of 10 KHz and the highest-frequency component at 705 KHz, what is the frequency of the carrier signal?

Q. _______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data.

Q. Which of the following is not a digital-to-analog conversion?

Q. In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant.

Q. In _________, the frequency of the carrier signal is varied to represent data. Both peak amplitude and phase remain constant.

Q. In ________, the phase of the carrier is varied to represent two or more different signal elements. Both peak amplitude and frequency remain constant.

Q. A constellation diagram shows us the __________ of a signal element, particularly when we are using two carriers (one in-phase and one quadrature).

Q. Quadrature amplitude modulation (QAM) is a combination of ___________.