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IT training institutes in Chennai

IT Training institutes in Chennai strive to teach basic to advance concepts on how to collect and use data for the growth of the organization.

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IT training institutes in Chennai

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  1. IT training institutes in Chennai HB Education and Consulting Services Private Limited

  2. IT Training institutes in Chennai strive to teach basic to advance concepts on how to collect and use data for the growth of the organization. Here are some facts on Data. • Defining data and information • Data is defined as a set if unrelated, isolated, uninterrupted raw fact. While, information refers to meaningful data. It is a set of organized, corrected, validated and collected data. • Information is required for knowledge addition, supporting decision making and enhancing productivity. The information should be free from uncertainties and has to be treated as valid.

  3. Information should be meaningful in terms of context and for persons concerned. It should be precise and be concise with relevant data. It should also try to reach the maximum possible accuracy. The information matches the requirements of the decision maker, thereby increasing the value of the information. It is time bound and has to be available one a timely basis.

  4. Information should be accessible and delivered easily. It should be an effective tool for decision making with minimum cost, effort and time. Only such information is valuable. What is dataconcept? It is the information concepts at the time we talked about. There are two types of dataconcepts; physical dataconcept referring to the manner the data is recorded physically and logical data concept, a manner in which the data is presented to the application programmer.

  5. How is a file component divided? • There are different types of components of a file. • Byte: a group of eight bits • Data item: It is the smallest unit of named data • Data aggregates: It is a collection of data items in a record and can be treated as whole • Record: It is a collection of data items • File: It is a collection of all occurrence of logical record.

  6. What is data storage? It is the data stored for future retrieval. Factors affecting data storage are: • Storage space • Throughput • Data Volatility • Minimization of redundancy • File active ratio What is file organization? It is the technique used to represent and store records on a file. It can be divided into: • Sequential File organization • Direct access file organization • Index file organization

  7. HB Education and Consulting Services Private Limited CONTACT US: M: +91-96771 67119 T: +91-44-4211 5338 E: education@hbservices.in Visit us: http://www.hbservices.in

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