Fundamentals of Java class 12 notes covers all topics of java programming class 12 OOPs, Exception Handling, Database Connectivity, Loop, If, Functions, Assertions, Threads and Wrapper Class. Introduction to Java Java is one of most popular high level ‘Object Oriented’ programming language and has been used widely to create various computer applications. Applications of java […]
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Work Integrated Learning IT DMA Notes is designed for students of Class 12 IT 802. it includes potential work area of database application, how database can be used various domains, What is Work Integrated Learning? Work integrated learning refers to integrating academic learning with its real time practical applications. The main objective of WIL is
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Get latest, qualitative and comprehensive notes of database concept it 802 class 12. it covers all topics very optimally that certainly help students to secure high marks. What is data? Generally, data is collection of characters, numbers and other symbols that represents values of some situations or variables. It is raw facts which have not
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Mesh Topology Tree Topology It is comparatively more complex it is comparatively less complex Difficult to install and maintain comparatively less difficult to install and maintain Expensive Comparatively less expensive Each node can be treated as router Routers are set separately Failure of any node doesn’t affect entire network communication Failure of higher node
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Yes we can term PAN as LAN because of following reasons: both are set for small area or under a roof both are set as private often both can use Wi-Fi technology for data transmission
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LAN WAN Area covered by LAN is around 10km radius WAN can cover entire country or globe Transmission speed is high in LAN Transmission speed is low in WAN LAN setup is comparatively less expensive Wan set is expensive It uses Ethernet, Wifi technology for communication It uses optical fiber, satellite technology for communication LAN
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Repeater Amplifier It reproduces signal It increases amplitude of signal Repeater is a sole device Amplifier is part of repeater It has high gain and low output power It has low gain and high output power Mainly used in fixed environment Mainly used in remote and mobile environment Noise elimination is effective in repeater It
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A gateway is a node considered as the entrance point to other networks, so that different networks can communicate with each other. It connects different network follows different protocols and different properties. Gateway can be any software, hardware or combination of both. Gateway can acts as a proxy server or firewall.
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It is a networking device that forward data packets from source to destination machine over the network by using shortest path. It has advanced capabilities as it can analyze the data being carried over a network, decide or alter how it is packaged, and send it to another network of a different type.
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A switch is a hardware networking device that connects multiple nodes, receives information from all nodes and sends it only to the selected node. A switch can analyse and receives data and send it to intended node. And hence also known as Intelligent Hub.
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