An explanation about the components needed in a computer network (hardware and software) including how data is transmitted and what sort of data/information can be transmitted
Answers
Using the protocols and protocols are set of instructions and rules
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Answer:
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» A computer network is a group of interconnected computers sharing services. We use computers to exchange information in our day to day life using different media, such as cables and satellites.
» When a computer is turned on and is able to access the network, it is said to be online and if it is unable to access the network, it is offline.
» The components of a computer network are:
✔The sender
✔The communication equipment of the sender
✔Communication channel
⇒ The communication equipment of the receiver
✔The receiver
» The transmission media is a medium that enables you to transfer data from one place to another. All these media are categorized into two types, namely, guided and unguided.
⇝Guided media transmits data through cables.
⇝The unguided media does not use cables. For eg, Bluetooth, Wi-Fi, NFC and WiMAX.
» Computer networks can be classified into three types:
⇝ Local Area Network (LAN): This type of network is useful when you want to connect two different departments of a building.
⇝ Metropolitan Area Network (MAN): It covers a larger area than LAN, but smaller than WAN.
⇝ Wide Area Network (WAN): It is a type of network used to cover a wide area or region.
» Two or more computers are linked with each other to:
⇒ Share files with other computers.
⇒Share sources, such as printer, hard disks and fax machines.
⇒ Share application softwares over the network.
⇒ Allow electronic communication.
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