Computer Sciences MCQs Chapter 1 Class 12

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Created on February 22, 2023

Computer Sciences Ch 1 Class 12

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15. A set of related records that represent a unit of data is called

File

Field

Record

Database

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3. Which of the following type of file require largest processing time?

Sequential file

Random file

Indexed sequential file

Direct access file

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9. The manipulated and processed data is called:

Raw data

Object

Information

None of these

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2. Which of the following data model is more flexible?

Network data model

Hierarchical data model

Relational data model

Object data model

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Q2. Select the correct option I. Which of the following represents a collection of concepts that arc used to describe the structure of a database?

Data warehouse

Data structure

Data model

Data type

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10. A series of actions that are performed on raw data achieve the required objective and results are called:

Operation

Data processing

Processes

Both (a) and (b)

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In activity data is collected and recorded:

Data capturing

Managing result

Data Manipulating

None of these

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14. A set of related fields that represent a unit of data is called

File

Record

Field

Database

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4. Which of the following may be a temporary file?

Master file

Transaction file

Backup file

None of these

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6. A collection of raw facts and figures is called:

Data

Information

Database

Data capturing

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13. A set of related characters that represent a unit of data is called

File

Field

Record

Database

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20. The process of arranging data in a proper order is called:

Sorting

Summarizing

Classifying

Data capturing

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17. Which of the following refers to the correctness and consistency of data?

Data Independence

Data Integration

Data Integrity

Data Structure

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12. In a school the record of cricket and hockey team organized into two groups is referred as

Classifying

Summarizing

Sorting

Searching

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19. In a college, organizing the record of Science and Arts students into two groups, this activity is referred to as

Sorting

Summarizing

Classifying

None of these

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5. SQL is a(n)

Unstructured Language

Structured language

Object oriented language

Software

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18. Which of the following database model has the shape like and organizational chart?

Network Model

Hierarchical Model

Relational Model

Data Model

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16. A set of related files that represent a unit of data is called

File

Record

Field

Database

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7. Which of the following is not related to data manipulation?

Summarizing

Data capturing

Classifying

Calculations

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8. represents an object:

Person

Organization

An event

All of these

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