Author Question: A device that is located near the front-end, and allows many users to share a single front-end port, ... (Read 127 times)

cool

  • Hero Member
  • *****
  • Posts: 570
A device that is located near the front-end, and allows many users to share a single front-end port, is known as
 
  a. a line splitter
  b. a remote intelligent controller
  c. a port-sharing device
  d. a multiplexer

Question 2

In amplitude modulation, ones and zeroes are sent by varying
 
  a. the height of the sine wave
  b. the number of cycles-per-second of the sine wave
  c. the parts of the sine wave that are skipped
  d. none of the above



Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

c

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

For a complete list of videos, visit our video library