Computer Devices, Features and Purposes - Cambridge Nationals ICT

Computer Devices, Features and Purposes - Cambridge Nationals ICT

1. Smartphone

   • Advantages
     • 3G/4G
     • Built in Wifi
     • Wireless and bluetooth connectivity
     • Many colours - high quality images
     • Can download applications
     • Good user interface
     • Touchscreen input
   • Disadvantages
     • Requires large amounts of power to run
     • Requires regular charging
     • Not suitable for document creation/editing
     • Can be very expensive
   • Applications
     • Travelling employees
     • Needing good communication capabilities
     • Internet users

2. Tablet

   • Applications
     • Travelling employees
     • Internet users
   • Advantages
     • Built in wifi
     • Can download applications
     • Can connect a keyboard
     • Touchscreen input
     • High quality images
   • Disadvantages
     • Expensive
     • Can be broken easily
     • Not easily upgradeable

3. Netbook

   • Advantages
     • Easily portable
     • Lightweight and small
     • Longer battery life
   • Applications
     • Basic internet browsing and document creation capabilities
   • Disadvantage
     • No integral optical drive
     • Slower processors
     • Less upgradeable

4. Desktop PC

   • Advantages
     • Lots of working memory (RAM)
     • CPUs are multi-core
     • Secure - not easily portable
     • Cheaper
     • Easily upgradeable
     • Powerful graphics card
   • Disadvantages
   • Applications
     • Permanent office-based employees

5. Laptop

   • Applications
     • Travelling employees
   • Advantages
     • Portability
     • Good user interface
   • Disadvantages
     • Expensive
     • Average technical spec of mid-range desktop computer
     • Battery is a restriction
     • Not easily upgradeable