Different types of Internet connection ,Internet Service Provider and The Internet Address

TYPES OF INTERNET CONNECTION






TWO TYPES OF DIAL-UP CONNECTION
Conventional Dial-up

ISDN ( Integrated Service Digital Network )

(to connect to the Internet, your computer dials its modem and connects to a modem attached to a computer belonging to your ISP.)
     ·         PC has to dial via a phone line to connect
     ·          Characteristics of Conventional dial-up:
*     Slower, but cheaper
*     Ties up phone lines
*     Relatively secure from hackers
*     Example :- Jaring, TMNet

v also transfer data over ordinary telephone lines
v Typically uses two phone lines to transfer data
v ISDN requires a special ISDN modem
v Characteristics of ISDN:
*     Faster, but pricey
*     Doesn’t tie up phone line
*     Used by businesses and individuals





1. Digital Subscriber Line

- Fast direct internet access via standard telephone line.
- Requires DSL modem.
- Example: Streamys without WiFi 

2. Cable Internet Service 

- Most widely used home broadband connection
- Provides high - speed internet access through the cable television network via a cable modem.

3. Fixed Wireless 

- Uses radio transmission towers rather than satellites.
- Not available in all areas.
- Provides high - speed internet connection using a dish - shaped antenna to communicate via radio signals. 

4. Satellite Internet Service 

- More expensive than cable or DSL.
- Provides high - speed internet connections via satellite.
- A satellite dish communication with a satellite modem.

5. Fiber To The Premises 

- Delivers over fiber - optic cabling all the way to the building.
- Uses fiber - optic cable
- Provide high - speed internet access to house and business users.

6. Cellular Radio Network

- Access via mobile phone or devices.
- Offers high - speed internet connections to devices with built - in compatible technology or computers with wireless modem.

7. Wi - fi 

- Data is transmitted through radio waves.
- Provides high - speed internet connections to compatible or properly equipped wireless computers and device.

Internet Service Provider:

Responsibilities of an ISP
- Providing and maintaining a connection to the internet.
- Support the hardware and software needed to service that connection.
- Provide 24 hour customer service and technical support.

What is IP address?
- A number that uniquely identifies each computers or device connected to the internet.
- IP addresses are also referred to as IP numbers and Internet addresses.

IP Usage:
- A way to find specific server or computer on the internet or a network. 
- Provide identity to a computer in a network.

IP Structure:
- Number in each group between 0 and 255.
- Commonly written in decimal.
- It is 32 bit long, each group is 8  bits long.

- For example: 128.35.0.72

Comments

Popular posts from this blog

Rules of Netiquette and Areas of Computer ethics

Explain about web browser, web address, web page navigation, web searching