Vacation Homework: #'s 16-20

16)Optical storage devices: Where something is recorded in a pattern which can be played back in that pattern.


17)Output Devices: When information is sent from the computer to external device.


18)Plotter: A device used to produce very precise and fast drawings.


19)Pointer: It's used to point out things on the computer screen to see what you are clicking.


20)Random access memory (RAM): The main memory of the computer, where anything can be accessed.