LO1

• 1.1:

  • Business
  • Individual
  • Government
  • Healthcare
  • Education
  • Charity & Community
• 1.1:

  1. Business - Holds information on employees and customers, e.g. address.
  2. Individual - Holds information on themselves either in their head or on paper/electronically. e.g. DOB
  3. Government - Huge amount of information on the civilians, e.g. tax paid
• 1.1:

  1. Healthcare - Holds information on civilians medical history, e.g. previous illness.
  2. Education - Past students and staff, e.g. attendance records.
  3. Charity & Community - Information of donors and members.
• 1.1:

  The digital divide is the gap between people who do not have easy access to computer's or networks.
• 1.2:

  Magnetic Storage - A read and write head moves nanometers above the disk platter and uses the magnetic field of the platter to read or edit data.
• 1.2:

  Magnetic Storage Characteristics:

  Pro - Large capacity and cheaper

  Pro - Relatively quick access speed but slower than SSD

  Con - Not durable and not portable
• 1.2:

  Optical Storage - Uses a laser to project beams of light onto a spinning disk allowing it to read data from CD, DVD, and Blu-ray.
• 1.2:

  Optical Storage Characteristics:

  Pro - Thin and very portable

  Con - Slowest Access speed

  Con - Low capacity

  Con - Not durable and very fragile
• 1.2:

  Solid State Drive - There are no moving parts. SSD's are replacing HDD's in modern technology. E.g. Memory Card, SD card, Micro SD card.
• 1.2:

  Solid State Drive:

  Pro - High capacity

  Pro - Durable

  Pro - Small size = Portable

  Pro - Fastest Access Speed
• 1.2:

  Paper Storage - Includes printed, hand-written documents, notes, forms, schedules and maps. Producing paper is environmentally damaging and requires physical security methods.
• 1.2:

  Paper Storage Characteristics:

  Pro - Portability and cheap

  Con - Low capacity

  Con - Poor durability - easily tear

  Con - Slow access speed