12th Class Computer Science Chapter 01 MCQs with Answers

Welcome to the 12th Class Computer Science Chapter 01 MCQs Online Test. We are presenting you with top MCQ questions from the 12th Class Computer Science Chapter Data basics.

We want to tell you that you can find all the 12th Class Computer Science Chapter 01 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 12 Computer Science MCQs online tests for those who want full marks in their exams. Attempt all these Grade 12 Computer Science Online Multiple Choice Questions MCQs before going for the exam and it will be beneficial for you! These online tests contain all the important multiple choice questions in the important topics of the FSC Part-II  Computer Science Chapter 01 Data basics. 

12th Class Computer Science Chapter 01 MCQs with Answers

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This is a free platform for students to prepare for Computer Science Exams for Class 12 to get the best accomplishments in annual exams. 12th class Students can analyze themself by attempting this online test system as many times as they want until they find themself fully prepared.

MCQs Class 12 Computer Science with Answers

The purpose of these online MCQs tests is to help you evaluate your 12th Class Computer Science Chapter 01 MCQs. These Multiple Choice Questions (MCQs) will prepare you for your academic success in the 12th Class Exams. 12th Class Computer Science Chapters include Chapter No 1 Data basics, Chapter No 2 Basic Concepts And Terminology, Chapter No 3 Database Design Process, Chapter No 4 Data Integrity & Normalization, Chapter No 5 Introduction of Microsoft Access, Chapter No 6 Table and Query, Chapter No 7 Microsoft Access forms & Reports, Chapter No 8 Getting Started with C, Chapter No 9 Element Of C, Chapter No 10 Input/Output, Chapter No 11 Decision Constructors, Chapter No 12 Loop Constructors, Chapter No 13 Functions and Chapter No 14 File Handling in C. 

What are Data basics?

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Chapter No 1 Data basics

1. Which of the following represents a collection of concepts that are used to describe the structure of a database choose which one is correct?

1. Data warehouse
2. Data structure
3. Data model
4. Data type

2. Which of the following data model is more flexible choose which one is correct?

• Network data model
• Hierarchical data model
• Relational data model
• Object data model

3. Which of the following type of file require largest processing time choose which one is correct?

• Sequential file
• Random file
• Indexed sequential file
• Direct access file

4. Which of the following may be a temporary file choose which one is correct?

1. Master file
2. Transaction file
3. Backup file
4. None of these

5. SQL is a(n)

1. Unstructured Language
2. Structured language
3. Object oriented language
4. Software

6. A collection of raw facts and figures is called choose which one is correct:

• Data
• Information
• Database
• Data capturing

7. Which of the following is not related to data manipulation choose which one is correct?

• Summarizing
• Data capturing
• Classifying
• Calculations

8. ⎯⎯⎯⎯ represents an object choose which one is correct:

• Person
• Organization
• An event
• All of these

9. The manipulated and processed data is called choose which one is correct:

• Raw data
• Information
• Object
• None of these

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

• Operation
• Data processing
• Processes
• Both (a) and (b)

11. In ⎯⎯⎯⎯ activity data is collected and recorded choose which one is correct:

• Data capturing
• Data Manipulating
• Managing result
• None of these

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

• Classifying
• Summarizing
• Sorting
• Searching

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

• File
• Record
• Field
• Database

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

• File
• Record
• Field
• Database

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

• File
• Record
• Field
• Database

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

• File
• Record
• Field
• Database

17. Which of the following refers to the correctness and consistency of data choose which one is correct?

• Data Independence
• Data Integration
• Data Integrity
• Data Structure

18. Which of the following database model has the shape like and organizational chart choose which one is correct?

• Network Model
• Hierarchical Model
• Relational Model
• Data Model

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

20. The process of arranging data in a proper order is called choose which one is correct:

• Sorting
• Summarizing
• Classifying
• Data capturing

21. Storage and retrieval of data is related to choose which one is correct:

• Data capturing
• Data Manipulation
• Managing output result
• None of these

22. The process of making duplicate copies of output result is called choose which one is correct:

• Storage and retrieval
• Reproduction
• backup copy
• Data processing

23. ⎯⎯⎯⎯ is related to managing output result choose which one is correct:

• Storage and retrieval
• Communications
• Reproduction
• All of these

24. Communicating the information through internet is related to choose which one is correct:

• Managing output result
• Data capturing
• Data Manipulation
• None of these

25. The term “inverted tree” is used in

• Network Model
• Hierarchical Model
• Relational Model
• None of above

26. The separation of the data structure of database from the application program is called.

1. Data Independence
2. Data Integration
3. Data Integrity
4. Data Model

27. Which of the following data models is the most commonly used.

1. Hierarchical Model
2. Network Model
3. Relational Model
4. None of above

28. Which of the following is a computerized record keeping system choose which one is correct?

1. Data system
2. Database
3. File System
4. DBMS

29. DBA Stands for

1. Data Business Adminstrator
2. Database Administrator
3. Data Basic Applicaiton
4. Database Application

30. Which of the following are the components of DBMS choose which one is correct?

1. Hardware
2. Software
3. Personnel
4. All of above

31. Which of the following contain data definitions choose which one is correct?

1. Data Dictionary
2. Database
3. Database Integrity
4. All of above

32. Which of the following is a query language choose which one is correct?

1. DBMS
2. Utilities
3. Report
4. SQL

33. The name of person represents choose which one is correct:

1. Field
2. Record
3. File
4. None of these

34. A complete information about a particular entity represents a choose which one is correct:

1. Field
2. Record
3. File
4. None of these

35. Each column in a table represents a choose which one is correct:

1. Field
2. Record
3. File
4. None of these

36. Each row of a table represents a choose which one is correct:

1. Field
2. Record
3. File
4. None of these

37. A table with related records is referred to as choose which one is correct:

1. Field
2. Record
3. File
4. None of these

38. The process of making the copy of original is called

1. Storage
2. Retrieval
3. Backup
4. None of above

39. Arrangement of data in a particular order is

1. Searching
2. Sorting
3. Storing
4. Summarizing

40. The file extension of a program file is

1. EXE
2. Com
3. prog
4. both a and b

41. Which is not true about data

1. Facts
2. Figures
3. Meaningful
4. Cannot be used for decision making

42. Using information managers can create

1. Useful Reports
2. Graphs
3. Statistics
4. All of Above

43. To convert data into information we need some

1. Input
2. Output
3. Processing
4. All of Above

44. Which one refers data capturing

1. Getting Data
2. Calculation
3. Placing
4. Sorting

45. Reproduction refers to

1. Making Data Readable
2. Making Data Clear
3. Making Data Presentable
4. Making Data Duplicate

46. Which one is not a file type with reference to usage point of view

1. Transaction File
2. Master File
3. Program File
4. Backup File

47. Which one is a file type with reference to usage point of view

1. Transaction File
2. Data File
3. Program File
4. Sequential File

48. ⎯⎯⎯⎯ is also called data set choose which one is correct:

1. Field
2. Record
3. File
4. All

49. ⎯⎯⎯⎯ contains only one type of data choose which one is correct:

1. Field
2. Record
3. File
4. Database

50. ⎯⎯⎯⎯ files contains information that remains constant over a long period of time choose which one is correct:

1. Master file
2. Backup file
3. Transaction file
4. None of these

51. ⎯⎯⎯⎯ files type is used to update data in master file choose which one is correct:

• Backup file
• Transaction file
• Sequential file
• Data file

52. A file that is used to keep a copy of important data is called choose which one is correct:

• Master file
• Transaction file
• Backup file
• Data file

53. The data can be recovered in case of loss by using choose which one is correct?

• Master file
• Program file
• Backup file
• Data file

54. ⎯⎯⎯⎯ file type is executable file and contains the set of program’s instructions choose which one is correct:

• Backup file
• Program file
• Master file
• Data file

55. ⎯⎯⎯⎯ may be a temporary file choose which one is correct:

• Master file
• Transaction file
• Backup file
• None of these

56. Which file contains the data prior to the stage of processing

• Data File
• Transaction File
• Program File
• Backup File

57. The Latest update files are

57. The Latest update files are

• Data File
• Transaction File
• Master File
• Backup File

58. Program files contain

• Data about program
• Instructions
• Data about Transactions
• Records

59. In which type of file key fields are stored separately

• Program File
• Indexed Sequential File
• Sequential File
• Random File

60. Hardware refers to the

• Database Components
• Logical Components
• Data Components
• Physical Components

61. Collection of programs used to manage database

• Database System
• DBMS
• Data System
• Database Manager

62. Which one is not advanced capability of DBMS

• Online
• Ad-hoc Reporting
• Backup / Recover
• Speed

63. The extension of a file created in Notepad is choose which one is correct:

• .doc
• .txt
• .exe
• .pad

64. Database file has a file extension choose which one is correct:

• .xls
• .txt
• .mdb
• .mpg

65. Which of the following file extensions represents the image file choose which one is correct?

• .gif
• .jpg
• .bmp
• All of these

66. The techniques used to write and retrieve data to and from the storage devices are called choose which one is correct:

• Storage Methods
• Access Methods
• None of these
• Index Methods

67. Which files organization uses the magnetic storage media choose which one is correct?

• Direct
• Random
• Indexed Sequential
• Sequential

68. ⎯⎯⎯⎯ files requires largest processing time choose which one is correct:

• Sequential file
• Random file
• Indexed sequential files
• Direct access file

69. Multiple copies of the same data is referred to as choose which one is correct:

• Data integrity
• Data Redundancy
• Data inconsistency
• Both (a) and (b)

70. Which one is not the feature of DBMS

• Utilities
• Storage
• Data Dictionary
• Report Generator

71. Which one is not an SQL statement

• CREATE
• INSERT
• GET
• SELECT

72. ⎯⎯⎯⎯ problems occurs in traditional file system choose which one is correct:

• Data Redundancy
• Data inconsistency
• Data security
• All of these

73. A collection of logically related data is called.

• Record
• Data file
• Database
• None of these

74. A collection of data that include name, address, NIC number, phone number etc. of an employee represents choose which one is correct:

• Data base
• Field
• Data set
• Record

75. ⎯⎯⎯⎯ refers to the correctness and consistency of data choose which one is correct:

• Data independence
• Data integration
• Data integrity
• Data model

76. ⎯⎯⎯⎯ identifies the data items to be stored into database and the relationships between them choose which one is correct:

• Data independence
• Data integration
• Data integrity
• Data model

77. ⎯⎯⎯⎯ represents a collection of concepts that are used to describe the structure of a databas choose which one is correct:

• Data warehouse
• Data model
• Data structure
• Data type

78. ⎯⎯⎯⎯ data base models has the shape like an organization chart choose which one is correct:

• Network Model
• Relational Model
• Hierarchical Model
• None of these

79. The term “inverted tree” is used in choose which one is correct:

• Network Model
• Relational Model
• Hierarchical Model
• None of these

80. In ⎯⎯⎯⎯ data base models, a complex diagram may be used to represent the structure of database choose which one is correct:

• Network Model
• Relational Model
• Hierarchical Model
• None the these

81. ⎯⎯⎯⎯ data base models is commonly used today choose which one is correct:

• Network Model
• Relational Model
• Hierarchical Model
• None of these

82. ⎯⎯⎯⎯ database models has no physical connections between entities choose which one is correct:

• Network Model
• Relational Model
• Hierarchical Model
• None of these

83. ⎯⎯⎯⎯ is the component of DBMS choose which one is correct:

• Data
• Hardware
• Software
• All of these

84. ⎯⎯⎯⎯ is related to personnel, a component of DBMS choose which one is correct:

• Application Programmer
• End users
• Database Administrator
• All of these

85. ⎯⎯⎯⎯ contains data definitions used in the database choose which one is correct:

• Utilities
• Data Dictionary
• Database integrity
• All of these

86. The printed or onscreen display of data or information in the database is called choose which one is correct:

• Entity
• Report
• Query
• Screen

87. The type of files from functional point of view may include choose which one is correct:

• Program file
• Backup file
• Transaction file
• None of these

88. The type of files from storage point of view may include choose which one is correct:

• Transaction file
• Sequential file
• Backup file
• Data file

89. Video file has a file extension choose which one is correct:

• avi
• wav
• .mpg
• both (a) & (c)

90. Audio file has a file extension choose which one is correct:

• .avi
• .wav
• mid
• both (b) & (c)

91. .doc represents choose which one is correct:

• File name
• File extension
• File type
• None of these

92. The objectives of database may include choose which one is correct:

• data integration
• data independence
• data integrity
• All of these

93. The objectives of database system or DBMS may include choose which one is correct:

• Database integrity
• Availability
• Evolveability
• All of these

94. ⎯⎯⎯⎯ is handled by database system or DBMS choose which one is correct:

1. Data security
2. Data independence
3. Data integrity
4. All of these

95. ⎯⎯⎯⎯ is the feature of DBMS choose which one is correct:

1. Data dictionary
2. Backup & Recovery
3. Query language
4. All of these

96. DBMS stands for

1. Databasics Methodology System
2. Database Managerial System
3. Database Management System
4. None of Above