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What is the meaning of Register and Main memory(RAM) ?
And give the difference between them
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What is the meaning of System call and Interrupts?
give the difference of them.
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Difference between Data abstraction, schema and instance
Difference between the three levels of data abstraction, and between a schema and instances.. Consider a two dimensional integer array of size n*m that is to be used in your favorite programming language. Using the array as an example, illustrate the difference (a) between the three levels of data abstraction, and (b) between a schema and instances.
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Organization problems
Consider an organization by which you are familiar. If the organization is using file processing system then what are the problems organization will face?Explain with suitable examples.