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What is the network topology? Describe different types of topologies & advantages and disadvantages with diagram. NETWORK TOPOLOGY The physical layout of devices on a network. There are four basic topologies. 1. Mesh 2. Star 3. Bus 4. Ring 1. MESH TOPOLOGY: In Mesh topology every device has a dedicated point to […]
DATA COMMUNICATION The exchange of data between two devices via some form of transmission medium such as wire cable etc. TELE COMMUNICATION Tele is a Greek word for “Far”, so the Communication at a distance is known as Tele communication. It includes telephony, telegraphy and television. Types of communication: Communication between two devices […]
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RGB stands for Red, Green and Blue. These are the primary colors of Light and can be mixed together to produce other colors. Any new color depends upon how much of each Red, Green and Blue color we use. In computers we use two different number systems to represent the amount of each color in […]