Computer Sciences MCQs Chapter 3 Class 12


NUST Entry test NET 2023 contains most of the Computer Sciences MCQs. FSC ICS Part 2 Computer book MCQs. HSSC Computer Sciences CS questions MCQs. Solved Chapterwise Computer Sciences MCQs for first-year 12 class MCQs. Second-year and first-year Computer Sciences textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations




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Computer Sciences Ch 3 Class 12

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2. An entity related to itself in an ERD model refers to

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4. In activities, the possible inputs for the database are collected:

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I I. In hybrid distribution which kind of fragments are stored at only one site

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15. In E-R diagram, an oval shape is used to represent a(n):

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5. In activities, the cost factors are taken into consideration:

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10. The relationship between the entities is represented graphically by using:

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18. An index may be created on

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8. tools in involved to the Data Analysis:

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7. In ERD model, the relationship between two entities is represented by a

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17. A technique for physically arranging the records of a file on secondary storage device is called

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I. Which of the following keys does not hold uniqueness property

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20. is not related to an entity:

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16. In E-R diagram, a diamond shape is used to represent a(n):

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3. is called the preliminary investigation of the required database:

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6. Database development process involve mapping of conceptual data model into

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In E-R diagram, a rectangular box is used to represent a(n):

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is the ingredient of data modeling:

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12. What indicates the connection between entites

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9. The process to identify the data objects and the relationships between them is:

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19. represents entity:

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