Explanation

• Email stands for Electronic Mail.
• It is a method of sending and receiving digital messages through the internet.
• The term electronic mail has been used with its modern meaning since 1975.
• The shorter form E-mail became common around 1979.

Additional information:

Parts of a valid email address:

1. Email Prefix
2. Email Domain

Address: example@mail.com

1. example = Email Prefix
2. mail.com = Email Domain

Last verified on 16-06-2026

Explanation

• An IP address (like 192.168.1.1) consists of four numbers, each ranging from 0 to 255.
• Each of these numbers is called an octet because it contains 8 bits.

Last verified on 02-09-2026

Explanation

• HTTP stands for Hypertext Transfer Protocol.
• It is a protocol for fetching resources such as HTML documents.
• It provides secure communication over a computer network.
•  It can also be used to fetch parts of documents to update Web pages on demand.
• https://www.google.com is called the URL.

Last verified on 04-06-2026

Explanation

• Junk mail is also called spam.
• The name comes from an old Monty Python comedy sketch.
• It is commonly used for ads, scams, or fake promotions.
  

Additional information:

• Spoof means pretending to be another sender (email spoofing).
• Email services use spam filters to block junk mail automatically.

Explanation

• .com is a Top-Level Domain (TLD) used mainly for commercial websites.
• It is part of the Domain Name System (DNS).
• Examples include .org, .net, .edu, and .gov.

Last verified on 01-09-2026