As described in your workbook, electronic mail is a fast way of sending messages to others using the internet. Sending mail requires a unique e-mail address, which consists of three main parts. Like a physical mailing address that has a street name and number along with a city, state, and zip code, this one of a kind e-mail address ensures that no one receives your e-mail. The image below highlights the three main parts.

Questions

1. If you have an e-mail address, what’s your username and domain?
2. What’s the username and domain of the e-mail addresses below?

• birthdayboy@gmail.com
• jane.smith@kingstownhealth.org
• boris27@earthlink.net

• Activity #1 on page 73 serves as a quick review of the “What is E-mail?” informational text. Answers can be found on page 136.
• Knowledge Check 5A will assess the learner’s understanding of domain name extensions.
  Answers to Questions #1 and #2 (from above) are below.

Answers:

Question #1 - Answers will vary

Question #2 - See below