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SYSTEMS TECHNOLOGIES (Sotware (Web browsers (View websites, Use chat rooms…

- - - - No installing
      - No updates
      - Easy to share
      - No need for backups
    - - Need internet
      - No control of software upgrade
      - Company can shut down
- - - - More that one program at a time
    - - Use to terminate non responding applications
  - - - file name
      - size
      - date modified
    - - read only
      - hidden
    - - author
      - title
      - detailed data stored about a file that describes the contents
- - - - identification
      - access to asytem
      - usernames
      - passwords
      - biometric device
    - - malicious software
      - harm and expose computer
    - - Malware could be hidden within adware
      - Can use up data
      - Browsing could become slow
    - - barrier between computer and internet
      - warn about malicious software
    - - in case of hard drive failure
    - - quarantines
      - cleans and remove infected files
      - removes malware found
- - - - output
        
        storage
- - - - Advantages
        
        No need for films
        
        Connect to printer, screen or TV
        
        Can capture a lot of images
      - Disadvantages
        
        Expensive
        
        Memory can corrupt
    - - Advantages
        
        because of low-resolution can be transmitted over internet
        
        can be used anywhere a connection is available
      - Disadvantages
        
        Low resolution
        
        High security risk
    - - Advantages
        
        Images can be electronic
        
        Graphic applications can manipulate images
      - Disadvantages
        
        Image quality depends on origanal image
        
        Quality is lost while scanning
    - - Advantages
        
        Output in softcopy
        
        less space
      - Disadvantages
        
        Can be expensive
    - - Advantages
        
        Wireless
        
        Where cables are not practical to use
        
        Allows for wider range of movement
      - Disadvantages
        
        Wireless
        
        Needs aditional power source
        
        Cabled; uses plug and play technology
    - - Advantages
        
        Faster for input
        
        Speech; natural way of communication
      - Disadvantages
        
        No noisy places
        
        Not 100% accurate
    - - Laser vs inkjet
        
        Laser printers are more expensive to purchase
        
        Toner cartridges are more expensive
      - advantages of separate ink cartidges
        
        Cheaper to replace one cartridge at a time
        
        Better for printing graphics
        
        Only need to replace one cartridge if a colour runs out
      - print a document using less ink
        
        Print in a lower quality