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

Author Question: Analog signals can use copper wire or use transmission media such as fiber-optics or ________ ... (Read 113 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
Analog signals can use copper wire or use transmission media such as fiber-optics or ________ (radio, microwave, infrared).
 
  A) wired
  B) wireless
  C) parallels
  D) unicode

Question 2

Do all emails have headers?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nhea

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

B

Answer to Question 2

Yes, emails have headers even though you cannot see them. Most email clients or hosting services allow you to look at the header if you are interested.





 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library