Secondary Storage Devices
Is Volatile
Volatile is where your data gets erased once your computer gets turned off.
Number 3: Example of a secondary storage device
CD-ROM
Examples optical storage devices
DVD drive, CD and blu-ray disc
Number 1: What do secondary storage devices store?
Data
How does it store data?
Data 010101 stored on disc as patterns (which change in height)
What are the lands and pits in binary code?
Lands are 1 and pits are 0
What is memory?
Memory can be changed and stored
Is Non-Volatile
Non volatile is where your data gets saved once you turn your computer off.
Number 2: Example of a secondary storage device
Portable Hard Drive
Number 2: What do secondary storage devices store?
Programs
Number 1: Example of a secondary storage device
USB flash drive
What are secondary storage devices?
They are additional storage devices that can be attached to a computer
What are the dots on optical drives?
They are lands and pits. Lands are HIGH and the pits are LOW.