Lesson 27 theme : types of networks. (Continuation) lesson 27. types of networks.

Bog'liq
Computer-Networks--Network

Lesson 27

The primary role of telecommunication networks is to facilitate the exchange of information and data between different devices, systems, and users. This involves the transmission of voice, video, and digital data across various mediums, such as wired or wireless connections. The networks enable communication and the sharing of resources, which are essential for individuals, businesses, and organizations to function effectively in today's connected world. Some key roles of networks include:
1. **Connectivity**: Networks provide the ability to connect devices and systems, allowing them to communicate and share data. This connectivity can be within a local environment, such as an office or home, or can span across vast geographical distances.
2. **Data Transfer**: Networks facilitate the transfer of data, including files, emails, video streams, and more. This data can be exchanged between users, devices, or servers, enabling collaboration and information sharing.
3. **Resource Sharing**: Networks enable the sharing of resources such as printers, storage devices, and applications, allowing multiple users to access and utilize these resources efficiently.

4. **Communication**: Telecommunication networks support various forms of communication, including voice calls, video calls, messaging, and conferencing. These networks enable real-time, as well as asynchronous, communication between individuals and groups.
5. **Access to Information**: Networks provide access to a wealth of information and resources available on the internet. Users can access websites, online services, and databases through network connections.
6. **Remote Access**: Networks allow users to remotely access systems and resources from different locations, contributing to capabilities such as remote work, telecommuting, and remote server management.
7. **Infrastructure for Applications**: Networks serve as the underlying infrastructure for a wide range of applications, including business systems, online services, social media platforms, and more. These applications rely on robust network connectivity to function effectively
8. **Security**: Telecommunication networks also play a crucial role in implementing security measures to protect data and communications from unauthorized access and cyber threats.
Overall, networks are fundamental to modern communication, collaboration, and the efficient exchange of information in both personal and professional contexts. They are essential components of the digital infrastructure that underpins our interconnected world.

9. “Does it rain in winter in Somali?”
What does the teacher ask?
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10. “Did you post the letter?” asks Rachel.
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11. “Don’t turn it up. I have a headache.” said the mother.
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12. Sue told Andy, “Don’t shout! I’m not a deaf.”
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13. Terry said to Ashley, “Don’t speak German. Speak English. They can’t understand you.”
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14. “Please, be quiet! The baby is sleeping.” says Mrs. Newton to the children.
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15. “Will you please move aside? I can’t watch television.” says John.
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