A. grape vine
B. email
C. whistles
D. town crier

Correct Answer: Option B

B. email

Explanation

Electronic mail, email (or e-mail) is defined as the transmission of messages over communications networks. Typically the messages are notes entered from the keyboard or electronic files stored on disk. Most mainframes, minicomputers, and computer networks have an email system.

SEE ALSO  A group of public limited companies that commonly own a joint venture is known as?

Copyright warnings! Do not copy.