Introduction of files and database storage

• • A collection of data or information that has a name, called the filename.
  • Almost all information stored in a computer must be in a file.
  • There are many different types of files: data files, text files, program files, directory files, and so on.
  • Different types of files store different types of information. For example, program files store programs, whereas text files store text.
    All information on your computer is stored in files.
  • it may contain a computer program, a word processing document, a photographic image, sounds, a link to a Web page, a video clip, an animation, a spreadsheet.
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  • DATABASE STORAGE
     
    
    • A collection of information organized and presented to serve a specific purpose.
    • A telephone book is a common database.)
    • A computerized database is an updated, organized file of machine readable information that is rapidly searched and retrieved by computer.
    • A collection of related information. All the data about a calf crop might be called a database.