1.2.2 secondary storage Flashcards
why is secondary storage needed
To access it again later
To use software
To interact with the computer
what are the three different types of storage
optical
magnetic
solid state
what is optical storage
uses a laser to read and write data from a disc. Such as CDs
what is magnetic storage
uses magnetic metal platters. A read/write head reads the disk much like a record. Such as a hard disk.
What is solid state storage
offers fast access as there are no moving parts. Such as a memory stick.
what is cloud storage
files can be uploaded via the internet to a remote sever
advantages of cloud storage
Users can access files from any connected device
files can be shared
easy to increase how much storage is available
disadvantages of cloud storage
you need an internet connection to access it
can be hacked
examples of a solid state storage
usb memory stick
sd memory card
examples of optical storage
cd
dvd