This document summarizes different types of telecommunication networks. It discusses computer networks used to share resources between connected computers. It also describes important early networks like ARPANET, which implemented TCP/IP, and Ethernet, which controls data transmission over local area networks. Additionally, it outlines public switched telephone networks, packet switched networks, wireless networks, television networks, and components used to connect networks like hubs, bridges, and routers.

1. TYPES OF
TELECOMMUNICATION
Prepared By,
G. Shukun Karthika.

2. TYPES OF
TELECOMMUNICATION
• Computer networks.
• ARPANET.
• Ethernet.
• Internet.
• Wireless networks.
• Switch.
• Public switched telephone networks (PSTN).
• Packet switched networks.
• Radio networks.
• Television networks.
• HUB.
• Bridge.

3. COMPUTER NETWORKS
• A set of computers connected together for the purpose of
sharing resources.

4. ARPANET
• Advanced Research Projects Agency Network.
• The first network to implement the protocol suite TCP/IP.

5. ETHERNET
• Network protocol that controls how data is transmitted over a
LAN.
• Technically it is referred to as the IEEE 802.3 protocol.
• The protocol has evolved and improved over time and can
now deliver at the speed of a gigabit per second.

6. INTERNET
• A global computer network providing a variety of information
and communication facilities, consisting of interconnected
networks using standardized communication protocols.

7. WIRELESS NETWORKS
• Computer networks that are not connected by cables of any
kind.
• To avoid the costly process of introducing cables into
buildings or as a connection between different equipment
locations.

8. PUBLIC SWITCHED
TELEPHONE NETWORKS
• Circuit-switched telephone networks that are operated by
national, regional, or local telephony operators, providing
infrastructure and services for public telecommunication.

9. PACKET SWITCHED
NETWORKS
• The type of network in which relatively small units of data
called packets are routed through a network based on the
destination address contained within each packet.
• Breaking communication down into packets allows the same
data path to be shared among many users in the network.

10. CONT.

11. RADIO NETWORKS
• Two types of radio networks currently in use around the world:
The one-to-many broadcast network commonly used for
public information and mass media entertainment,
The two-way radio type used more commonly for public safety
and public services such as police, fire, taxicabs, and delivery
services. Cell Phones are able to send and receive
simultaneously by using two different frequencies at the same
time. Many of the same components and much of the same
basic technology applies to all three.

12. TELEVISION NETWORKS
• Telecommunications network for distribution of television
program content, whereby a central operation provides
programming to many television stations or pay
television providers.
• Until the mid-1980s, television programming in most countries
of the world was dominated by a small number of broadcast
networks.

13. CONT.

14. HUB
• A hub is the most basic networking device that connects
multiple computers or other network devices together.
• Unlike a network switch or router, a network hub has no
routing tables or intelligence on where to send information
and broadcasts all network data across each connection.

15. ROUTER
• A router is a networking device that forwards data
packets between computer networks. Routers perform the
traffic directing functions on the Internet.
• A data packet is typically forwarded from one router to another
router through the networks that constitute
the internetwork until it reaches its destination node.

16. CONT.

17. BRIDGE
• A network bridge helps to join two otherwise separate
computer networks together to enable communication
between them.
• Bridge devices are used with local area networks (LANs) for
extending their reach to cover larger physical areas.
• TYPES 
Wireless bridges - support Wi-Fi wireless access points
Wi-Fi Ethernet bridges - allows connecting Ethernet clients and
interfacing them to a local Wi-Fi network, useful for older
network devices that lack Wi-Fi capability

18. CONT.

19. THANK
YOU