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What is Topology?

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Topology defines the structure of the network of how all the components are interconnected to each other. There are two types of topology: physical and logical topology. Physical topology is the geometric representation of all the nodes in a network. Bus Topology The bus topology is designed in such a way that all the stations are connected through a single cable known as a backbone cable. Each node is either connected to the backbone cable by drop cable or directly connected to the backbone cable. When a node wants to send a message over the network, it puts a message over the network. All the stations available in the network will receive the message whether it has been addressed or not. The bus topology is mainly used in 802.3 (ethernet) and 802.4 standard networks. The configuration of a bus topology is quite simpler as compared to other topologies. The backbone cable is considered as a  "single lane"  through which the message is broadcast to all the st...
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Computer - Software

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Software is a set of programs, which is designed to perform a well-defined function. A program is a sequence of instructions written to solve a particular problem. There are two types of software − System Software Application Software System Software The system software is a collection of programs designed to operate, control, and extend the processing capabilities of the computer itself. System software is generally prepared by the computer manufacturers. These software products comprise of programs written in low-level languages, which interact with the hardware at a very basic level. System software serves as the interface between the hardware and the end users. Some examples of system software are Operating System, Compilers, Interpreter, Assemblers, etc. Here is a list of some of the most prominent features of a system software − Close to the system Fast in speed Difficult to design Difficult to understand Less interactive Smaller in size Difficult to ...
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What is CCC

  CCC is a certificate program that gives an opportunity to the common man to gain knowledge about computer and information technology. CCC certification is an innovative course that aims to spread digital literacy in the country.   NIELIT CCC Course Eligibility 2019 Like other exams, there are no minimum or maximum requirement for filling the CCC application form. Candidates can submit the application irrespective of age or educational qualification. However, there are three modes through which candidates can appear in CCC exam. The eligibility criteria for all the three modes are as follows- Candidates who are sponsored by the NIELIT approved institutes- Such candidates are permitted to join the course irrespective of any educational qualification. Applicants who are sponsored by the Government recognized Colleges/ Schools and have obtained and Unique identity number from NIELIT for joining CCC program- such candidates can also conduct CCC irrespective of any q...
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