Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
What is a storage device?
|
any device in a computer is anything that stores data/instructions in binary format
|
|
|
what are the 3 categories of storage devices?
|
optical magnetic solid state |
|
|
why is secondary storage needed?
|
it is needed to store data and programs and programs even when a computer system is switched off.
|
|
|
what is optical media?
|
a type of secondary storage that uses lasers to read and write to and from the surface of the storage medium.
|
|
|
examples of optical media are? |
CD's DVD's CD-RW etc. |
|
|
what is magnetic media?
|
a type of secondary storage that uses different patterns of magnetisation to store data. |
|
|
examples of magnetic media are?
|
magnetic tape RAM/ Random Access Memory etc. |
|
|
what are solid state drives?
|
a type of secondary storage that uses lasers to read and write to and from the surface of storage medium
|
|
|
examples of solid state drives are?
|
USB flash drives memory cards floppy disks etc. |
|
|
what is storage measured in?
|
it is measured in bytes.
|
|
|
what is the difference between storage and memory?
|
storage stores any form of data and stores it for either long or short term retention. Meanwhile, memory is the place where an application loads its data during processing. |
|
|
|
|
