Digital Storage

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Digital Storage by Mind Map: Digital Storage

1. A storage medium is the physical material on which a computer keeps data, information, programs, and applications

2. A storage device is the hardware that records and/or retrieves items to and from storage media

3. Type of storage

3.1. ram

3.2. storage

3.3. volatile

3.4. non volatile

4. Hard Drive i)Hard disc drive (HDD)

4.1. Define : contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information

4.2. Characteristic ; Tracks Sectors Platters Form factor Read/write head Revolutions per minute

4.3. ii)SSD (solid state drive)

4.3.1. a flash memory storage device that contains its own processor to manage its storage

4.4. iii)external hard drive

4.4.1. a separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device

4.5. iv)RAID (redundant array of independent disks)

4.5.1. a group of two or more integrated hard drives

5. Portable flash memory storage

5.1. i)memory card

5.1.1. removable flash memory storage device that you insert and remove from a slot in a computer, mobile device, or card reader/writer

5.2. ii)USB flash drives

5.2.1. plug into a USB port on a computer or mobile device

5.3. iii)Cloud storage

5.3.1. an Internet service that provides storage to computer or mobile device users

5.4. iv)optical disc

5.4.1. consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser

6. Enterprise Storage

6.1. hardware allows large organizations to manage and store data and information using devices intended for heavy use, maximum efficiency, and maximum availability

7. Other Types of Storage

7.1. i)magnetic stripe card

7.2. ii)smart card

7.3. iii)RFID tag