Magnetic
Data is stored in concentric circles on the surface.
What is a Hard Disk Drive?
Cannot be written to.
What is CD-ROM/DVD-ROM?
Quickly replacing HDD as the main storage in computers
What is Solid State Drive/SSD?
Data is in a random order so the read/write head must move along the tape until it finds the requested colour.
What is serial access?
Used to hold data written and read by storage devices.
What is a storage media?
Takes longer to access data, as data at the end of the tape takes longer to access
What is a magnetic tape?
Only recordable
What is CD-R/DVD-R?
Small and compact, with a lot of storage.
What is a pen drive/memory stick?
Data is stored in alphabetical order, which means the read/writehead can fast-forward to the correct part of the tape
What is sequential/direct access?
Used to write/read data on optical drives.
What is a laser?
Permanently connected to the computer
What is a fixed HDD.
Read write, but with no permanent change?
What is CDRWs/DVD-RWs?
Flat shape, and ore suitable for smaller devices.
What is secure digital (SD) cards.
Used to insert and output data onto a HDD.
What is a electromagents?
Have no moving parts, using flash memory.
What is SSD?
Allows an external backup of files
What is a portable HDD.
Larger storage capacity than DVDs
What is Blu-ray
Limited number of read/write cycles.
What is Solid State/SSD?
Easily scratched and data can be damaged.
What is Optical storage?
A physical device that receives and retains electronic data for applications and users and makes the data available for retrieval.
What is a storage medium?