Past Papers 12th Class Computer Science Ch 3



Past Papers 12th Class Computer Science Ch 3 Questions



  • What is project planning?
  • What is the concept of data distribution strategy?
  • List two properties of a relation.
  • Define an attribute. Give an example.
  • What are relationships?
  • Define entity or object.
  • List two data distribution strategy.
  • List out two types of relationship.
  • Write the use of ER-diagram.
  • Name of the symbol used in E-R model for attribute and entity.
  • Define Modality.
  • List advantages of RDBMS.
  • What is Analysis in Database?
  • Define Cardinality.
  • State the objective of physical database design.
  • List any two activities involved in data analysis.
  • Give two examples of Entity.
  • Write the name of two relationship types.
  • Difference between degree and cardinality of a relation?
  • State the purpose of feasibility study?
  • Define the term degree of relation?
  • Why requirement analysis is conducted?
  • Identify name of entity and primary key in the following STUDENT(student ID, St, name).
  • Distinguish between Entity and Entity Instance.
  • Write any two criteria’s to select file organization.
  • Difference between cardinality and modality?
  • How is database integrity maintained?
  • What is the purpose of database logical design?

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