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Showing posts from March, 2023

Topology

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Topology is a layout of computers and devices in a Network. They are bus, star, mesh, ring, hybrid. Bus  • This layout connects devices to a main line called a backbone.  • This backbone can be a coaxial line or an Ethernet line. • The single cable, where all data is transmitted between devices, is referred to as the bus, backbone, or trunk. Star   • In a star network, every host is connected to a central hub. In its simplest form, one central hub acts as a conduit to transmit messages.  • A type of network topology in which every device in the network is individually connected to a central node, known as the switch or hub . Mesh  • Mesh topology is a type of network topology in which all devices in the network are interconnected. In a mesh topology, data can be transmitted by routing (sent the shortest distance) and flooding (sent to all devices).   Ring  each node connects to exactly two other nodes, forming a single continuous pathway for signa...

cyber bullying and cyber etiquette

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cyber bullying Cyber bullying is bullying that takes place over digital devices like cell phones, computers, and tablets. Cyber bullying can occur through SMS, Text, and apps, or online in social media, forums, or gaming where people can view, participate in, or share content. Examples of cyber bullying • name-calling.... • threats....  • mean  comments a bout someone’s looks etc . Effects  • The effects of cyber bullying also include mental health issues, increased stress and anxiety, depression, acting out violently, and low self-esteem. Cyber bullying can also result in long-lasting emotional effects, even if the bullying has stopped.  • There can be physical effects as well. Intense feelings of stress and anxiety due to Cyber bullying can result in physical issues such as lack of sleep ( insomnia) and harmful eating patterns. Overcoming depression  • Don't withdraw from life. Socialising can improve your mood. Keeping in touch with friends and family means ...