Access and storage devices

• Handheld devices

  Small light and portable eg, smartphone, ereader, small tablet and smartwatch
• Advanatges of handheld devices

  Adv

  • Light and portable so can be easily carried on a person or in a pocket
  • Runs on battery power do no need to be plugged into a power sources allowing for freedom of movement
• disadvantages of handheld devices

  Didadv

  • Low processing power due to small size and no cooling system
  • Relies on battery power which may not last long
  • More likely to be lost, damaged or stolen
  • Generally small memory/ storage capacity and versability
• Portable devices

  Larger and more powerful than handheld and cam be held in a bad easily , eg laptop and larger tablets
• Advantages of portable devices

  Adv

  • Light and portable so can be easily transported in a laptop bag or small rucksack
  • Runs on battery power so they can work without a power outlet
  • More powerful and versatile than handheld devices
• Disadvantages of portable devices

  Disadv

  • Low processing power
  • Smaller memory and storage capacity than foxed devices
  • Reliant on battery power
• Fixed devices

  Bulky devices that require constant power connection eg a desktop or games console or smart tv
• Advantages of fixed devices

  adv

  • Have the highest processing power and contain sufficient cooling systems to maintain temperature
  • Larger storage capacities and can even be upgraded
  • Very versatile and can be powerful enough to be used for thousands of different purposes
• disadvantages of fixed devices

  Disadv

  • Reliant on a power outlet and cannot be transported whilst on
  • Heavy and difficult to move
  • More expensive typically than the others
• • Shared devices,

  allow multiple users to access data at the same time
• Examples of shared devices

  Cloud storage

  • Uses services such as google drive apple icloud microsoft one drive
  • Data centre, a dedicated building that contains computer systems
  • Database servers, , tbc
• Advantages of shared devices eg cloud

  Accessible by multiple users at the same time

  • Allow online services to run all hours of the day and year
  • Frees up phywical space for users as the storage is located usually on third party servers
  • Cloud storage allows unauthorised users such as clients and staff to access information or work remotely
  • Can be accessed anywhere with internet
• Disadvanatges of shared devices

  Reliant on stable network connections so if connection is lost access to the device will be affected

  Setting up requires technical knowledge

  Can be prone to hacking