1.3 memory

1.3 memory

1. optical

   • laser light that creates marks patterns on disk

2. magnetic

   • read and write move across the medium and changes how magnetised.
     • a storage device that uses a magnetization process to write

3. solid state

   • is made of microchips
     • the state of the switches determine if 1 or 0 is stored

4. capacity

   • the amount of a data a storage device such as a disk or tape can hold
     • measured in kilobytes, megabytes and more

5. speed

   • refers to cpu clock speed

6. data

   • information collected for a research paper
     • as facts or information thats stored in or used by a computer.

7. secondary storage

   • device refers any volatile storage device that is internal or external to the computer.