This topic contains a solution. Click here to go to the answer

Author Question: What type of transmissions represented the first type of digital communications? A. Digital ... (Read 62 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
What type of transmissions represented the first type of digital communications?
 
  A. Digital signal processing
  B. Amplitude-shift keying
  C. Morse code
  D. On-off keying

Question 2

Which of the following is a key characteristic of orthogonal frequency-division multiplexing?
 
  A. Amplitude modulation
  B. Noise performance
  C. Digital modulation
  D. Spectral efficiency



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

C

Answer to Question 2

D




biggirl4568

  • Member
  • Posts: 551
Reply 2 on: Jul 28, 2018
Gracias!


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library