A computer network is a group of two or more computers and devices that are
connected to share data, resources, and messages. These connections can be made
using wires (like Ethernet cables) or without wires (like Wi-Fi and Bluetooth).
Today, networks are very important because they help us send emails, make video
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2 COMPUTER SCIENCE Class 10
calls, share files, use the Internet, study online, and work from home. Networks also
help smart devices like home assistants and sensors work properly.
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