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Storage Media and Devices - Coggle Diagram
Storage Media and Devices
Primary Memory
RAM(random access memory)
used to store computer programs and data that CPU needs
ROM(read-only memory)
prerecorded data and it is used to boot computer
Secondary Memory
external memory
hard drives and solid state drives
USBs, CDs, and DVDs
most SSDs uses flash memory/technology(NAND Chips)
Data is stored by controlling the movements of electrons
Data is stored in 1s and 0s
non-volatile memory
Optical Storage Device
Solid State Drive
Magnetic Storage Device
Storage Media
used to place, keep and retrieve (electronic)data
a CD reader
Storage Device
storing, porting or extracting data
example: CDs