Difficult

Cards (8)

  • Secondary Storage
    Also known as external memory, auxiliary storage or backing storage
  • Secondary Storage
    Where all programs and files are held permanently until they are overwritten or deleted
  • Secondary Storage
    Refers to non-volatile storage device that is internal or external to a computer
  • Examples of secondary storage
    • Hard Disk Drive (HDD)
    • Solid State Drive (SSD)
    • Pendrive (USB flash drive)
    • Memory Card (Flash Memory Card)
  • Hard Disk Drive (HDD)

    • Magnetic storage device that consists of one or more platters to which data is written using a magnetic head
    • Used inside desktop and laptop computers
    • Provides very fast read/write access
    • Has a very large storage capacity and can store the operating system as well as application programs and other files
    • The capacity of a hard disk is measured in GB or TB
    • An external hard drive is a portable storage device that can be attached to a computer through a USB port
    • Has high storage capacities and are often used to back up computers
  • Solid State Drive (SSD)

    • Has a vast storage capacity that can be measured in GB or TB
    • Does not have mechanical moving parts and performs faster than traditional hard disk drives
    • Is more expensive
    • Can be installed inside a computer or purchased in a portable (external) format which can be connected to a computer through a USB port (external hard disk)
    • Used in smart phones and tablet PCs
  • Pendrive (USB flash drive)

    • Uses solid state technology
    • Connects to the computer through a USB port
    • Is very small and suitable for transferring files between computers
    • Can be used as back-up device
    • Has a storage capacity of 4 to 64 GB
  • Memory Card (Flash Memory Card)

    • Is a small flat flash drive
    • Used in digital cameras, mobile phones, music players and game consoles
    • Has a very high storage capacity
    • As it is small, it can be misplaced or lost easily