Storage

1. Cloud Storage

1.1. User subscribe to cloud storage for a variety of reasons

1.1.1. Access files from any computer

1.1.2. Store large files instantaneously

1.1.3. Allow others to access their files

1.1.4. View time-critical data and images immediately

1.1.5. Store offsite backups

1.1.6. Provide data center functions

2. Optical Discs

2.1. CD-ROM

2.2. CD-R

2.3. CD-RW

2.4. DVD-ROM

2.5. Blu-ray Disc-Rom

2.6. DVD-RW,DVD+RW,DVD+RAM

3. Hard Disks

3.1. Examples of hard disk

3.1.1. External Hard Disk

3.1.2. New node

3.2. Characteristics of hard disk

3.2.1. Capacity

3.2.2. Platters

3.2.3. Read/Write Heads

3.2.4. Cylinders

3.2.5. Sectors and Tracks

3.2.6. Revolutions per Minute

3.2.7. Transfer Rate

3.2.8. Access Time

4. Flash Memory Storage (Solid state drivers ( SSDs ))

4.1. Advantages over magnetic hard disks

4.1.1. Last longer

4.1.2. Faster transfer rates

4.1.3. Faster access time

4.1.4. Generate less heat and consume less power

4.2. Memory Card

4.2.1. CompactFlash

4.2.2. Secure Digital

4.2.3. Secure Digital High Capacity

4.2.4. MicroSD

4.2.5. MicroSDHC

4.2.6. xD Picture Card

4.2.7. Memory Stick

4.2.8. Memory Stick Micro (M2)

5. Other Types of Storage

5.1. Tape

5.2. Magnetic stripe cards and smart cards

5.3. Microfilm and Microfiche

5.4. Enterprise storage