What is Data? discuss types of data in detail with example.

    What is Data? discuss types of data in detail with example.
Data:

    Data refers to a collection of facts, observations, measurements, or records that are typically in a raw, unorganized form. It can take various forms, including numbers, words, images, sounds, or symbols. Data can be structured, semi-structured, or unstructured. Structured data is organized in a predefined format, such as databases or spreadsheets, while unstructured data lacks a specific format and can include things like text documents, emails, or multimedia files. Semi-structured data falls somewhere in between, containing some organizational elements but not as rigid as structured data.

OR

  • It is a raw facts and Figure like single Digit, Name etc.
  • It is a meaningless form of any type of instructions.
  • It is Unorganized form.
  • It cannot be directly for decision making.
  • An instruction which we can enter to Computer System.
  • It is a Plural form of Latin word which is "Datum".
Types of Data:
       There are main five(5) types of data
  •         Text: They are divided into 3 main parts
    •         Alphabetic Data:    Consist of Alphabets i-e (A-Z , a-z)
    •         Numeric Data:    Consist of Digits i-e (0-9)
    •         Alphanumeric Data:     Consist of Alphabets, Numeric And Special Characters i-e (A-Z , 0-9 ,@,.:*&^%$#! etc) Input Device for Text data is Keyboard
  •         Audio: Consist of sounds. or The bit form of the audio data (excluding metadata) is called the audio format and can be uncompressed, or compressed to reduce the file size, often using loss compression.    Input Device for Audio Data is Microphone.
  •         Video: Consist of Moving Pictures.    Input Device for Video Data is Video Camera.
  •        Graphic: Consist of Images. Picture, Photos.  Input Device for Audio Data is Digital Camera.
  •         Mixed: Combination of all of the Above data types is called mixed data. it may be combination of Text, Audio, Video & Graphic data types.


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