#2 NETWORKING : ETHERNET VS SERIAL COMMUNICATION

Ethernet vs Serial communication :  

There are two main type of technology :

• Ethernet technology
• Serial technology

#1 NETWORKING : WHAT IS NETWORKING ? (LAN, MAN, WAN)

NETWORKING (LAN, MAN, WAN):

A network is defined as two or more than two computers or systems are connected together.

Networks are either wired or wireless network. There are many types of computer networks main three

#2 TELECOMMUNICATION : MOBILE COMMUNICATION (1G VS 2G VS 3G VS 4G VS 5G)

Mobile communication technology:

1G stands for the first generation of wireless telephone technology. The first generation is the analog telecommunication  came on 1980's and exists till being introduced 2G digital communication. The main difference between 1G and 2G is radio signal that is 1G network is analog while a 2G

#1 TELECOMMUNICATION : HISTORY AND EVOLUTION OF TELECOM GENERATIONS (1G, 2G, 3G, 4G, 5G)

Telecom generation means  1G , 2G , 3G , 4G , 5G .

The mobile radio telephone were introduced for military communications in the early 20th century.
Car based telephone was first tested in Saint Louis in 1946.

This system used a single large transmitter on top of a high rise building. a single channel was used