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12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions 2020 - 2021

12th Standard

    Reg.No. :
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Computer Science

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. What is the acronym of DBMS?

    (a)

    DataBase Management Symbol

    (b)

    Database Managing System

    (c)

    DataBase Management System

    (d)

    DataBasic Management System

  2. Which database model represents parent-child relationship?

    (a)

    Relational

    (b)

    Network

    (c)

    Hierarchical

    (d)

    Object

  3. What type of relationship does hierarchical model represents?

    (a)

    one-to-one

    (b)

    one-to-many

    (c)

    many-to-one

    (d)

    many-to-many

  4. Which of the following is an organized collection of data?

    (a)

    Word Processor

    (b)

    Spreadsheet

    (c)

    Programming language

    (d)

    Database

  5. Which of the following a data contain?

    (a)

    Character

    (b)

    text

    (c)

    Word

    (d)

    Number

    (e)

    All of these

  6. Which of the following can be a software or hardware based, with one sole purpose of storiing data?

    (a)

    DBMS

    (b)

    Database

    (c)

    Object

    (d)

    SQL

  7. Which of the following characteristics of DBMS become a challenge?

    (a)

    Data redundancy

    (b)

    Data security

    (c)

    Data consistency

    (d)

    Data integrity

  8. Match the following

    i) Hardware 1) It is a resource for which DBMS is designed
    ii) Square 2) Used to write commands
    iii) Data 3) Physical components involved in data storage
    iv) Procedures a 4) Manage databases to take backups
    v) Database Access language 5) A program that controls everything
    (a)

    3, 5, 1, 4, 2

    (b)

    5, 3, 1, 4, 2

    (c)

    3, 5, 4, 1,2

    (d)

    3, 5, 1, 2, 4

  9. How many types of data models are there?

    (a)

    4

    (b)

    3

    (c)

    5

    (d)

    7

  10. Which of the following data model handles Geographic Information System?

    (a)

    Object

    (b)

    ER model

    (c)

    Relational

    (d)

    None of these

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