+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
The physical material on which a computer keeps data, instructions, and information,
|
Storage media or secondary storage
|
|
The number of bytes a storage medium can hold
|
Capacity
|
|
The computer hardware that records and or retrieves items to and from storage media
|
Storage device
|
|
The process of transfering data from memory FROM MEMEORY TO StORAGE MEDIUM
|
Writing
|
|
The process of transfering the itmes from a storage to memory
|
Reading
|
|
Measure the amount of time it takes a storage device to locate an item on a storage medium
|
Access time
|
|
A storage device that contains one or more inflexible, circular plates that use magnetic particles to store data instrucstions and info
|
Hard disck
|
|
Alignes the magnetic particles horizontally around the surfae of the disk
|
Longitudinal recording
|
|
Hard disks align the magnetic particles vertically or perpindicular to the disk surface making much greater storage capacities.
|
Perpindicular recording
|
|
A narrow recording band that forms a full circle on the surface of the disk
|
Track
|
|
The verticle section of a track that passes through all platters
|
Cylinder
|
|
How does a hard disk work?
|
Movement of head acuator and motor. motor spins the platters. read/write heads determine the location of the data. head acuator positions arms over the correct location.
|
|
A duplicate of a file on a seperate storage medium that is used for just in case
|
Back up
|
|
A group of 2 or more integrated hard disks
|
Redundant array of independent disks. raid
|
|
A server connected to a network with the sole purpose of providing storage
|
Network attached storage
|
