Computer Sciences MCQs Chapter 2 Class 12

Computer Sciences MCQs Class 12: Build Strong Foundations

Computer Sciences MCQs Class 12 are essential for students preparing for NUST, UET, FAST, ECAT, NTS, and FSC board exams. These MCQs cover computer fundamentals, programming basics, and key theoretical concepts, helping students practice effectively and strengthen conceptual understanding and coding skills.

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Created on February 22, 2023 By Ali Durrani

Computer Sciences Ch 2 Class 12

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1 / 20

20. is responsible for designing, coordinating and monitoring the database system: (

Data Administrator

End-user

Database Administrator

Database manager

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8. The columns of a relation correspond to:

Table

Cell

Fields

Records

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7. A tuple in a table is also known as

Occurrence

Attribute

Relation

Record

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13. A table must have:

Primary key

Secondary key

Composite key

Sort key

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9. The rows of a table or relation are known as:

Tuples

Occurrences

Both (a) and (b)

None

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17. SQL is used for

Data manipulation

Data definition

Data Deletion

All of the above

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1. Insert command is used to insert.

a new table

a new record

a view

dependencies

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16. is known as control key:

Sort key

Candidate key

Composite key

Primary key

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15. An attribute is also known as:

Relation

Field

row

tuple

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represents an entity

(a) Car

Student

House

All of these

11 / 20

is used to identify records of a relation uniquely:

Foreign key

Secondary key

Sort key

Primary key

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18. Which of the following is responsible for designing the database system.

Data Administrator

End User

Database Administrator

Database Manager

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2. The foreign key is found in

parent table

dependant table

pivot table

index table

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14. A key that consists of two or more than two attributes of a table is called

Composite Key

Foreign Key

Primary Key

Sort Key

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11. is used to create data view

Database Manager

Report Generator

SQL

utilities

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19. serves as a bridge between end users and database administrator:

Data Administrator

System Analyst

Application Programmer

None

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10. The column of relation is known as

Attribute

al Tuplei

Relation

Record

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A table is also known as: (

Two-dimensional array

Relation

Both (a) and (b)

None

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3. Anything in the real world that has a set of different attributes or properties is called:

Database

Data set

Entity

Data

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6. A table is also known as

Multiple arrays

Relation

A file

None of these

Your score is

The average score is 66%

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Practicing these MCQs helps students identify weak areas, improve problem-solving skills, and enhance analytical thinking. Regular practice also boosts conceptual clarity, builds exam confidence, and improves time management, which is crucial for board exams and competitive entry tests.

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