Memory and Storage

Read Only Memory
1. non-volatile
2. firmware
  1. built in
  2. permanent
3. what does it do?
  1. includes instructions stored by the manufacturer
    1. instructions on how to start a computer
    2. access the built in hardware such as the hard drive and load the operating system into RAM
Random Access Memory
1. Volatile
2. holds data and instructions currently running
Secondary Storage
1. Optical Storage
  1. cheap
  2. Microscopic dots
  3. portable
  4. data cannot be edited or deleted
2. Solid State Storage
  1. no moving parts
  2. referred to as flash drives
  3. fast read/write times, silent
  4. resistant to knocks
  5. expensive
  6. usb drives
  7. sd card
  8. camcorders
3. Magnetic Storage
  1. magnetic film divided to billions of areas
  2. silver coloured disks
  3. fast access
  4. cheap
  5. large capacity
  6. not portable
  7. damaged easily
Virtual Memory
1. temporary space
2. stored in secondary storage
  1. non-volatile
  2. It is used to keep programs and data indefinitely.
  3. long term
Flash Memory
1. easy, fast info storage
  1. computers
  2. digital cameras
  3. video game consoles

Resource summary

	Created by Seth hendrik Porquez over 3 years ago