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DATA BASICS

What is data and information also discuss different operations performed on data?  Answer. Data :  Raw facts and figures are called data. Data is used to perform certain operation in an organization. It gives the status of past activities and enables us to make better decisions It is an input for any system    Example: Data may be numerical like inventory figures, test scores etc. Data may be non-numerical like your name and address.   Information: Processed data is called Information. It is usually output of a process and is meaningful. It can be reproduced again and again easily.   Example: The grade of a student in a particular subject in a semester precisely gives the complete information of the performance of a student.   Operations :   Manipulation of data is called operation. In first step, data can be captured from any source. Then operations are performed on that data. After operations data become information ...
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Discuss different networks models

 Q. Discuss different networks models  There are two models of computer networks. These are as follows:  Client-Server Model  Peer-to-Peer Model   1. Client-Server Model/Dedicated Server Network  In client-server model, one or more computers work as servers and other computers work as clients, The server computer controls the whole network. It is used to store data and programs to be shared among different computers in the network It may also share a printer attached with it. Server is more powerful computer than other computers in the network. It performs most of the processing in this network model.  The client computer requests a service from the server computer. The server computer provides the requested service to the client computer.
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Workgroup Computing

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