Lesson 6.3: IP Address, ISP, and Connectivity Modes
In this lesson, you’ll understand how your computer connects to the internet, what an IP address is, and the different types of internet connections available.
🌐 What is an IP Address?
-
IP stands for Internet Protocol.
-
An IP Address is a unique number assigned to every device connected to the internet.
-
It looks like this:
192.168.1.1(IPv4) or a longer version in IPv6.
🧠 Purpose of IP Address:
It helps in identifying and locating devices on the internet—just like a home address.
🏢 What is an ISP?
-
ISP stands for Internet Service Provider.
-
It’s a company that provides you access to the internet.
🛠️ Examples of ISPs:
-
Jio
-
Airtel
-
BSNL
-
ACT
-
Hathway
📦 Services Provided by ISP:
-
Internet connectivity (broadband, fiber, etc.)
-
Router/modem setup
-
Technical support
-
Email services (in some cases)
🔌 Connectivity Modes (Types of Internet Connections):
| Mode | Description |
|---|---|
| Dial-up | Old method using telephone lines; very slow |
| DSL | Digital Subscriber Line; faster than dial-up, uses phone lines |
| Cable | Uses cable TV lines for internet |
| Fiber Optic | Very high-speed internet using fiber cables |
| Wireless (Wi-Fi) | Internet access through wireless router |
| Mobile Data (4G/5G) | Uses mobile network towers; common for phones and hotspots |
| Satellite | Internet via satellite; used in remote areas |
💡 Quick Facts:
-
Fiber is currently the fastest and most reliable internet mode.
-
Wi-Fi is not an internet provider; it’s a wireless way to share internet inside a home or office.
-
Each time you connect to the internet, your ISP assigns an IP address to your device.
📝 Practice Questions:
-
What is the full form of ISP?
-
What is the use of an IP address?
-
Name two common types of internet connections.
-
Which is faster: DSL or Fiber Optic? Why?
