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Revision for 3.1 - Coggle Diagram

- - - - Engagement data
    - - Traffic data
- - - - Portable storage devices such as USBs and such have to be plugged into a device to work.
    - - File servers are large racks of storage devices usually that are able to transfer storage and store huge amounts of data.
    - - Hard disk drive
        
        Hard disk drives contain moving parts and can store large amounts of computers are a secondary storage device that reads and writes data with a magnetic arm.
      - Solid state drive
        
        Solid state drives contain data using electricity; it is also a secondary storage device using flash memory chips.
    - - A NAS device is a file dedicated storage device that makes data continually available for employees to collaborate.
    - - A file format refers to the structure and organization of data within a file. It determines how the data is encoded, stored, and interpreted by various software applications.
    - - A SAN is a specialized high speed device that provides network access to storage devices.
    - - Collections of information obtained from internal sources of a company.
  - - - Each file is split into blocks of data in a similar way to object storage, but they are made up of equal sized blocks and stored for optimised fast access. When data is requested the data blocks are reassembled as a file. Blocks are usually stored on SANs.
    - - The real time change in demand e.g. social media platforms that
        dynamically scale their infrastructure to handle high levels of user activity
    - - A flat file structure, files are broken down into pieces and stored in aunstructured format. Each piece of data is and object. Each object is referenced by a metadata tag unique to each piece of data.
    - - Built and accessed through a cloud platform, provides an API the same functions as a standard relational database. They are accessed and created in
    - - As a shared file system ideal for organisations. File systems are ordered in a
        hierarchical order (folders, sub folder etc.)