Computer Based Test On Data-processing

10 Questions | Total Attempts: 123

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Computer Based Test On Data-processing

Exam administered by Guru InstructorIfetike Chekwube Hope08062608637


Questions and Answers
  • 1. 
    1. These are example Database Management System Software EXCEPT.
    Select the ones you like
    • A. 

      Microsoft Access

    • B. 

      Microsoft Power Point

    • C. 

      DBase III

    • D. 

      FoxBase

    • E. 

      Oracle

    • F. 

      Oracle

  • 2. 
    1. Scientific process of Breaking-down complex table into a Simpler table in order to reduce redundancy and dependency.
    • A. 

      Database Normalization

    • B. 

      Database Query

    • C. 

      Database Table

    • D. 

      Database Field

    • E. 

      Database Report

    • F. 

      Database Calloction

  • 3. 
    1. Typing Data repeatedly in database when data is in First Normal form is referred to
    • A. 

      Dependency

    • B. 

      Normalization

    • C. 

      Normal Form

    • D. 

      Redundency

  • 4. 
    1. The relational database model, where data are organized and stored in tables was introduced by………
    • A. 

      Charles Babbage

    • B. 

      Edger .F. Codd

    • C. 

      Ada Augusta Byron

    • D. 

      Blaise Pascal

  • 5. 
    1.  ONE of these is not a data type when selecting your value field values practically in data model
    • A. 

      Short Text

    • B. 

      Currency

    • C. 

      Data Structure

    • D. 

      Date/Time

    • E. 

      Numerical

  • 6. 
    1. In relational database model the -------------- define the object set.
    • A. 

      Entity

    • B. 

      Relation

    • C. 

      Attribute

    • D. 

      Tuple

  • 7. 
    1. In relational model of a database, all data is represented in terms of-----and grouped into relations.
    • A. 

      Attribute

    • B. 

      Cardinality

    • C. 

      Tuple

    • D. 

      Table degree

    • E. 

      Relation

  • 8. 
    1. A database is redesign when extending the database structure, is a problem of Table in ….form.
    • A. 

      First Normal

    • B. 

      Second Normal

    • C. 

      Third Normal

    • D. 

      Fourth Normal

  • 9. 
    1. All these are determinant of Normal form EXCEPT.
    • A. 

      Primary Key

    • B. 

      Candidate key

    • C. 

      Foriegn Key

    • D. 

      Attribute Key

  • 10. 
    1. Asking questions about data stored in a database can be known as
    • A. 

      Field

    • B. 

      Report

    • C. 

      Query

    • D. 

      Table

    • E. 

      Record

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