12th Class Computer Science MCQS Chapter 3

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12th Class Computer Science MCQS


Which of the following represents the entities?
Teacher
Student
Aero plane
All

Which of the following are ingredients of data modeling?
Attributes
Entities
Relationship
All

A t is used for:
New line
Tab
None of these
Back space

Every relation must have:
All of these
Primary key
Secondary key
Candidate key

Which of the following is NOT included in the definition of an entity?
Person
Action
Concept
Object

Which of the following escape sequence is used for beep
/b
/a
/t
/n

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