Internet, Email and Web Terms Notes for SSC Exams
Rahul Kumar
SSC Exam Expert & Content Editor
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PDF Notes: Internet, Email and Web Terms Notes for SSC Exams
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The internet is a part of daily life, so SSC exams ask simple questions on it: the full form of HTTP, the meaning of Bcc or the length of an IP address. These internet, email and web terms notes for SSC explain the main terms in tables with short, clear points.
Internet and World Wide Web
- The internet is a global network of computers. Its earlier form was ARPANET (1969).
- The World Wide Web (WWW) is a collection of web pages on the internet. It was invented by Tim Berners-Lee.
- A web browser is software to open web pages, such as Chrome, Firefox, Edge and Safari.
- A search engine finds web pages, such as Google and Bing.
Important Web Terms
| Term | Meaning |
|---|---|
| URL | Uniform Resource Locator, the address of a web page |
| HTTP | HyperText Transfer Protocol, used to transfer web pages |
| HTTPS | Secure HTTP, which encrypts the data |
| HTML | HyperText Markup Language, used to make web pages |
| Hyperlink | A link that opens another page when clicked |
| Homepage | The first page of a website |
| Cookie | A small file stored by a website on your computer |
| Download | Copying a file from the internet to your computer |
| Upload | Sending a file from your computer to the internet |
| Bookmark | A saved address of a web page |
IP Address and DNS
| Term | Meaning |
|---|---|
| IP address | A unique number given to every device on a network |
| IPv4 | 32-bit address, such as four numbers separated by dots |
| IPv6 | 128-bit address |
| DNS | Domain Name System, which changes a domain name into an IP address |
| ISP | The company that gives you the internet connection |
Email Terms
| Term | Meaning |
|---|---|
| To | The main receiver of the email |
| Cc | Carbon copy, a copy that other receivers can see |
| Bcc | Blind carbon copy, a copy that the other receivers cannot see |
| Attachment | A file sent with the email |
| Inbox | The folder for received emails |
| Spam | Unwanted or junk email |
Ray Tomlinson sent the first email in 1971 and started the use of the @ symbol in email addresses.
Protocols
| Protocol | Use |
|---|---|
| SMTP | Sending email |
| POP3 and IMAP | Receiving email |
| FTP | Transferring files |
| TCP/IP | Basic rules of communication on the internet |
Domain Extensions
| Extension | Used for |
|---|---|
| .com | Commercial websites |
| .org | Organisations |
| .edu | Educational institutions |
| .gov | Government websites |
| .net | Network providers |
| .in | India |
| .gov.in | Government of India websites |
Types of Networks
| Network | Area covered |
|---|---|
| LAN | A small area such as a room or office |
| MAN | A city |
| WAN | A country or the world |
Quick Tips
- Learn the full forms of HTTP, HTTPS, URL, HTML, DNS and ISP.
- Remember Bcc hides the receivers from each other.
- Remember IPv4 = 32 bits and IPv6 = 128 bits.
- Remember SMTP = send and POP3 = receive.
Quick Revision Points
- WWW was invented by Tim Berners-Lee.
- HTTPS is the secure form of HTTP.
- DNS changes a domain name into an IP address.
- Bcc is hidden from the other receivers.
- IPv6 has 128 bits.
Practice Questions With Answers
- What is the full form of HTTP?
Answer: HyperText Transfer Protocol - Who invented the World Wide Web?
Answer: Tim Berners-Lee - Who sent the first email and started the use of @?
Answer: Ray Tomlinson - How many bits are there in an IPv4 address?
Answer: 32 - How many bits are there in an IPv6 address?
Answer: 128 - Which protocol is used for sending email?
Answer: SMTP - What does DNS do?
Answer: It changes domain names into IP addresses - What was the earlier form of the internet?
Answer: ARPANET - What is the full form of Bcc?
Answer: Blind Carbon Copy - Which domain extension is used for Government of India websites?
Answer: .gov.in
How to Practise This Chapter
Revise the tables every week and then test yourself with our practice papers and the previous year papers page. See all topics on the Computer Awareness notes page, and also read the Computer Knowledge notes and General Awareness notes. Read the previous topic, Hardware, Software and Operating System, and the next topic, Computer Security and Safe Online Habits.
Frequently Asked Questions
What is the internet?
The internet is a global network of computers connected together.
What is the World Wide Web?
It is a collection of web pages that can be reached through the internet.
What is a URL?
A URL is the address of a web page.
What is the difference between HTTP and HTTPS?
HTTPS is the secure form of HTTP, and it encrypts the data.
What is an IP address?
It is a unique number given to every device on a network.
What is DNS?
The Domain Name System changes a domain name into an IP address.
What is the difference between Cc and Bcc?
Cc receivers are visible to all, and Bcc receivers are hidden from the others.
Which protocol sends email?
SMTP is used for sending email.
Which protocols receive email?
POP3 and IMAP are used for receiving email.
What is a cookie?
It is a small file stored by a website on your computer.
Is this topic asked in SSC exams?
Yes. Internet and email questions are asked often in the computer section of SSC exams.
How many questions come from this topic in SSC exams?
Usually one or two questions, but the number changes from year to year.
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Hardware, Software and Operating System Notes for SSC Exams
Next chapter
Computer Security and Safe Online Habits Notes for SSC Exams
Rahul Kumar
SSC Exam Expert & Content Editor
Rahul is a senior SSC exam strategist with 8+ years of experience helping aspirants crack CGL, CHSL and MTS exams. He writes in-depth notification breakdowns, exam pattern guides and preparation strategies.