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Introduction to IT [INFORMATION TECHNOLOGY] and Evolution of computers
Information Technology (IT) Information Technology (IT) include the study and application of computers and any form of telecommunications that store, retrieve and send information. It a combination of hardware and software used together to perform the essential functions people need and use every day. In IT All the equipment or elements which are us…
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Types of Computer
Types of Computer We can categorize computers in three ways: on the basis of data handling capabilities, size, and purpose. On the basis of data handling capabilities , the computer is of three types: Analogue Computer Digital Computer Hybrid Computer Analogue Computer Process analog data. Analog data is continuous data that changes continuously in physi…
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Information Technology (IT)
Information Technology (IT) includes the study and application of computers and any form of telecommunications that store, retrieve and send information. It a combination of hardware and software used together to perform the essential functions people need and use every day. In IT All the equipment or elements which are used for communication in real world.…
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View of Data
The view level provides the “ view of data ” to the users and hides the irrelevant details such as data relationship, database schema, constraints, security, etc. from the user and helps in easy and efficient user-database interaction. Benefits of a Database View There are many benefits to using views. Which are:- Enforce Business Rules – Use views to d…
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