Study

database

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  • What is the main purpose of a data type in a computer system?
    To hide data from users.
    To show if data is new or old.
    To describe the color of data.
    To tell the system how to interpret data's value.
  • If data was collected by someone else for a different purpose, what is it called?
    Secondary data
    New data
    Original data
    Primary data
  • A school wants to store a student's date of birth. Which data type is best?
    Numeric
    Date/Time
    Text/Alphanumeric
    Boolean
  • The term 'Currency' as a data type is specifically used to represent what kind of information?
    True/False statements
    Monetary values
    Date and time values
    Textual information
  • If you are creating a field for 'Age' in a database, what data type would be most suitable?
    Numeric
    Date/Time
    Text
    Boolean
  • A student claims '22 miles' should be a Numeric data type. Why is this incorrect based on the reading?
    It contains both numbers and text, making it Alphanumeric.
    Miles are a unit of distance, not a data type.
    It is a measurement, not a number.
    Only whole numbers are Numeric.
  • Why is understanding data types important for data collection?
    It ensures data is collected in the preferred format.
    It helps to hide sensitive data.
    It makes data collection much faster.
    It prevents anyone from seeing the data.
  • What is a database?
    A single file with mixed information.
    A collection of data composed of one or more tables.
    A system for drawing pictures.
    A place to store physical books.
  • If a data type could wear a costume to represent itself, which costume would clearly show it is a 'Text' data type?
    A sign that says 'HELLO WORD'
    A calendar date
    A giant number '100'
    A light switch for 'on/off'
  • What is the main type of data identified for numbers in a computer system?
    Numeric
    Date/Time
    Text/Alphanumeric
    Boolean
  • If a store database needs to record customer satisfaction as '50% satisfied', what data type would be most appropriate?
    Percentage
    Text
    Numeric
    Currency
  • In a database table, what are the vertical parts that store actual data?
    Databases
    Tables
    Fields
    Records
  • Which part of a database table is described as the horizontal part?
    Attributes
    Datatypes
    Records
    Fields
  • What makes data 'primary data'?
    It is original and collected for the first time for a specific purpose.
    It was collected for a different reason.
    It was found online by someone else.
    It is stored in a very old format.
  • You want to record if a student has paid their fees (yes/no). What data type should you use?
    Boolean
    Numeric
    Text
    Date/Time
  • You are designing a new database table. Which action aligns best with effective data organization?
    Mix all data types in one field.
    Use only primary data.
    Collect all data as text.
    Define clear data types for each field.
  • After learning about data types, how might you personally approach organizing your own information more effectively?
    I would think about the type of data before storing it.
    I would only use numbers for all my personal data.
    I would avoid using any databases.
    I would put all my data in one big file.