Holla a todos..!!Classification of Storage Devices:
- Primary/Permanent
- Secondary/Temporary
- Tertiary/Off-line
1. Primary Storage is further classified as:
Magnetic Storage:
A. Hard Disk Drive
- PATA/IDE: Parallel Advanced Technology Attachment/Integrated Drive Electronics
- SATA: Serial Advanced Technology Attachment
- SCSI: Small Computer System Interface
- SSD: Solid State Drivers
B. Floppy Disk Drive
C. Tape Drivers
Optical Storage:
- CD:Compact Disk
- DVD:Digital Versatile Disk
- BLU-RAY
- HD DVD: High DVD
- USB:Universal Serial Bus
2. Temporary Storage
Example: RAM because when you switch the computer off, all the information that was stored will be lost.
3. Tertiary/Off-line Storage
Tertiary: It includes Robotic mechanism which will mount & dismount removable mass storage media into storage device ,i.e; data is copied before use.Examples: tape libraries & optical juke boxes.
Off-line: Most of the secondary & tertiary media are also used for offline storage as it needs human interaction where media is stored & disconnected.Examples: Zip Disks, Flash memory devices.
Storage Hierarchy:
- - - - - - - - - - - - - - - -
Tertiary: It includes Robotic mechanism which will mount & dismount removable mass storage media into storage device ,i.e; data is copied before use.Examples: tape libraries & optical juke boxes.
Off-line: Most of the secondary & tertiary media are also used for offline storage as it needs human interaction where media is stored & disconnected.Examples: Zip Disks, Flash memory devices.
Storage Hierarchy:
- - - - - - - - - - - - - - - -
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