Question

question 1-51
which is an output of an email communication system?
the computer used by the person sending the email
the sent email
the modem used for internet connection
the person sending the email

Explanation:

An email - communication system's purpose is to send emails. The computer, modem, and sender are components or entities involved in the process, not the output. The sent email is what the system produces as an end - result.

Answer:

the sent email