1.5 Secondary Storage Flashcards
What is secondary storage?
It is non-volatile
its where all data (operating systems, applications) are stored when not in use
Examples of secondary storage
Hard disk drives
solid state drives
cds, sd cards
What are magnetic hard disks
Internal storage in pcs where data is magnetically stored within sectors on circular tracks, reliable and long lasting but can be damaged easily
High capacity
What are solid state drives
storage device with no moving parts type of flash memory
internal storage
fast, portable, reliable, shock proof
What are optical disks
Examples are cds, dvds, blu rays
Cheap and robust and portable
Why are optical disks declining
internet speeds have increased and streaming and downloading services have removed the use of optical drives