Question

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Answer 1

Ans:1 Electronic mail is a method of exchanging messages between people using electronic devices. Email entered limited use in the 1960s, but users could only send to users of the same computer, and some early email systems required the author and the recipient to both be online simultaneously, similar to instant messaging.

Ans:2 Advantages and disadvantages of using email

• Emails are delivered extremely fast when compared to traditional post.
• Emails can be sent 24 hours a day, 365 days a year.
• Webmail means emails can be sent and received from any computer, anywhere in the world, that has an internet connection .
• Cheap - when using broadband , each email sent is effectively free.

Ans:3 aspects of postal mail. Electronic (thus the letter "e") mail is a way to send a message to a recipient, as is postal (or snail) mail. ... Each can have multiple accounts (postal mail can through PO boxes or multiple physical addresses.) Both are better handled utilizing address books.

Ans:4Internet security is a branch of computer security specifically related to not only Internet, often involving browser security and the World Wide Web, but also network security as it applies to other applications or operating systems as a whole.

1) True

2)True

3) False

4)True

5)True

Answer 2

Answer:

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