CN 02: What is a Computer Network? Computer Networks Basics.
A computer network is a collection of interconnected devices that communicate and share resources, such as data, files, and applications. These devic…
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Computer Networks 06: The OSI Model
The Open Systems Interconnection (OSI) model is an International Organization for Standardization (ISO) standard designed to facilitate communication…
CN 01: What is Data Communication?
Data communications are the exchange of data between two devices via a transmission medium such as a wire cable or wireless media. For data communic…
Computer Networks 05: Protocols and Standards.
A protocol is a set of rules that govern data communications. A protocol defines the rules that both the sender and receiver and all intermediate dev…
Computer Networks 04: What is Internet and History of Internet.
Today, it is quite rare to find a LAN or a WAN operating independently; they are typically interconnected. The connection of two or more networks for…