Please enable JavaScript.
Coggle requires JavaScript to display documents.
Storage Media and Devices - Coggle Diagram
Storage Media and Devices
Magnetic Storage Media
Direct (Random) Access Stores files so that they can instantly be accessed
No need to search through files to get to the one you want
Serial Storage
Files are stored one by one in a sequence Must search through the files one by one until you get to the one you
want.
Sequentail Storage gives faster access to the data, and it is stored in a alphabetical order
Fixed Hard Drive
Portable and Removable Hard Disk
Magnetic tape drives and tapes
Optical Storage Media
Stores data on the surface by little pits burnt by laser into the surface representing 0s and 1s.
CD ROM, DVD ROM, CD R, DVD R, CD RW, DVD RWDVD RAM, Blu-ray
Solid State Storage
Memory Cards/Secure Digital (SD cards)
Memory Stick (Pen Drive, USB Drive)
Data needs a material on which to be stored (called the storage media) and the device recording the data onto the storage
is called the storage device.
Backing storage is used for the storage of programs and data that are not needed immediately by the computer.
They are also used for storing back ups of programs and data in case the originals are damaged or destroyed.
Secondary Storage devices ensure data is stored permanently so that it can be used again.
Primary Memory
RAM
ROM
Cache