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

• ARPANET was the first network that initiated the Internet.
• It was launched in 1969 by the U.S. Department of Defense's ARPA.
• ARPANET stands for Advanced Research Projects Agency Network.

Additional information:

• First message sent: 29 October 1969
• TCP/IP adopted: 1 January 1983
• World Wide Web introduced: 1989 (by Tim Berners-Lee)
• Public Internet growth: 1990s

Last verified on 27-07-2026

Explanation

The minimum number of computers required to make a computer network is 2.

• A network needs at least two devices to communicate.
• One computer alone cannot form a network.
• Two computers can be directly connected via cable (peer-to-peer).

Last updated 24-07-2026 by NA

Explanation

• Full Name: Vinton Gray Cerf
• Known as: Father of Internet
• Born: 23 June 1943
• Major Contribution: TCP/IP protocol development
• Award: National Medal of Technology (1997)

Last verified on 20-06-2026

Explanation

• Amazon, Microsoft and Google are the three largest public cloud storage providers.
• Dropbox, eFolder, IBM etc. are examples of cloud service providers.

Last verified on 06-07-2026