We are also pleased to present to you, through the Modern Preparation Foundation, some of the contents of the PowerPoint presentations, a computer subject for the class.
I want you to know
Networking concept
The concept of the World Wide Web (Internet)
Ways to connect to the World Wide Web (Internet)
network definition
It is the connection of two or more devices with each other to exchange data and benefit from resources.
The uses of the network were limited to specialized individuals who have special powers to serve the field of work, such as the military sectors and some other government sectors, and with the development of technology and consequently the decrease in the prices of this technology, the use of networks to search for and exchange information became accessible to everyone, and the largest global network appeared, which is known as the World Wide Web. (WORLD WIDE WEB) and it is called (the Internet), which can be defined as follows:
Internet
It is a global system consisting of interconnected computer networks to serve millions of users around the world
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Communication ways
مراتب الناس عند المصيبة
The Internet is connected in one of two ways:
Wired connection: This uses cables to provide a wired connection to the Internet through the network port on the computer, depending on the phone line.
Wireless connection: This uses Wi-Fi technology to provide wireless communication, and it uses radio waves to exchange information through computer networks.
The icon for wireless communication indicates the strength of the transmitter through the colors of the outgoing waves that appear in the image, where the gray color expresses the weakness of the signal, while all waves become colored to indicate the strength of the transmitter.
The wired connection is faster and stronger than the wireless connection usually, as the wireless connection depends on the strength of the broadcast, and therefore its speed, on its distance from the access point of the network. It is possible to access the Internet using the mobile phone, and this is different from using the network to make a phone call.
exercises
First exercise:
Reasons for the interruption of mobile transmission when you pass under the tunnel by car?
This is because there are no wireless signal booster towers inside this tunnel and outside the towers' coverage range.
The second exercise:
Give an example of an organization that uses computer networks at work and is not mentioned in the lesson.
Hotels, schools, hospitals and government agencies
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