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Software ((Processing ((Batch (Data is processed in groups and inputs the…

- - - - Batch
        
        Data is processed in groups and inputs the data all at once
    - - Multi-User systems
        
        Many users at different computer sharing the same processor of a computer. Known as time sharing system. The operating system switches between computers, giving them a time slice for a short time before going to the next in line.
    - - Real-time
        
        Data is processed immediately. Used in air traffic control or concert booking systems.
- - - - Operating system
        
        It is essential as it manages all other programs being used. Like windows 10, IOS7
      - Utility porgrams
        
        A program that carries out a specific task to assist the operating system. Like disk defragmentation, task scheduling.
      - Storage
        
        The operating system manages the storage of data and files. Unnecessary files can then be deleted.
- - - - Data Backup and Restore
        
        Data can be backed up on a hard drive or on the cloud.
        
        A full backup is when everything on a hard disk is backed up.
        
        A intermental backup is when it chooses to only backup the data when it has been changed.
      - Task scheduling
        
        The operating system schedules programs to run at particular times. For example you may set some programs to run every week or once a day. It can give an alert warning before it starts
      - Disk Defragmentation
        
        A computer stores its files on a disk. Computers break up a file into little parts / fragments.
        
        This means that a hard disk has to search for the files until it can recreate