COMPUTER SOFTWARE
PROGRAMMING LANGUAGES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Basic, Structured, Unit
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Small, Medium, Large
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Basic, Intermediate, Advanced
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Private, Public, Protected
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Detailed explanation-1: -There are three levels of abstraction : Physical Level: Defines how the data is actually stored employing various data structures. Logical level: Describes the relationship which exists among the stored data. View level: Provides a high level view of a section of data.
Detailed explanation-2: -So, let’s see in details what are these three levels of data abstraction: View Level. Conceptual Level. Physical Level.
Detailed explanation-3: -Logical level abstraction describes what data is stored along with data types and their relationship with other data. View level abstraction describes the user interaction with database and hides the details of data types.
Detailed explanation-4: -Physical or Internal Level. Logical or Conceptual Level. View or External Level. 18-Oct-2022