what is computer network ?
Description in 100+ words
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Answers
☑A computer network is a digital telecommunications network which allows nodes to share resources.
☑In computer networks, computing devices exchange data with each other using connections between nodes.
☑These data links are established over cable media such as wires or optic cables, or wireless media such as Wi-Fi.
☑Network computer devices that originate, route and terminate the data are called network nodes.
Answer:
You might have heard the term networking in business context, where people come together and share information for future contact and give them access to more resources. It is the same with the computer network. A Computer Network allows communicating and sharing resources to the computers linked to each other. Thus, Computer Network is a link between two or more computers with wires or wireless medium to share and communicate each other. Both the hardware and software resources can be shared in a Computer Network.
Advantages:
We are benefited by the Computer Network in many aspects of our life. Some of the advantages are:
▶ It allows sharing of software packages and data files.
▶ It allows sharing peripheral devices like printer, fax, etc.
▶ It allows communicating each other.
▶ It facilitates transferring of data.
▶ It reduces expenses as cost of buying extra devices is decreased.
Disadvantages:
There can be bad aspects for every good thing too. There are good as well as evil minded people. The misuse of the technology and natural damage can cause huge loss financially. So, there are still some disadvantages of Computer Network.
▶ The stored data is not hundred percent safe. They are prone to be stolen.
▶ Virus can infect the system and cause problems.
▶ In case, the data is lost or corrupted, it is irreparable.
▶ We may have to suffer financial loss if the network system is broken down.
▶ Skilled manpower is required for the management of the system.