Computer (Storage)

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Computer (Storage) by Mind Map: Computer (Storage)

1. A Storage mediam

1.1. Capacity is the number of bytes a storage medium can hold

2. Cloud Storage

2.1. is an Internet service that provides storage to computer users

2.1.1. New node New node

2.2. Access files from any computer

2.3. Allow others to access their file

2.4. View time‐critical data and images immediately

2.5. Store offsite backups

2.6. Store large files instantaneousl

3. Other Types Of Storage

3.1. Tape

3.2. Microfilm and microfiche

3.3. Enterprise storage

3.4. Magnetic stripe cards and smart cards

4. holds data, instructions and information for future use

5. Opticals Discs

5.1. A CD‐ROM

5.1.1. can be read from but not written to

5.2. A CD‐R

5.2.1. is a multisession optical disc on which users can write, but not erase

5.3. A CD‐RW

5.3.1. is an erasable multisession dis

5.4. A DVD‐ROM

5.4.1. is a high‐capacity optical disc on which users can read but not write or erase

5.5. A Blu‐ray Disc‐ROM (BD‐ROM)

5.5.1. has a storage capacity of 100 GB

5.6. DVD‐RW, DVD+RW, and DVD+RAM

5.6.1. are high‐capacity rewritable DVD formats

6. Hard Disks

6.1. RAID

6.1.1. (redundant array of independent disks) is a grop of two are more integrated hard disks

6.2. Formatting

6.2.1. is the process of dividing the disk into tracks and sectors so that the operating system can store and locate data and information on the disk

6.3. Hard disks can store data using longitudinal recording or perpendicular recordin

6.4. Characteristics of a hard disk

6.4.1. Capacity

6.4.2. Platters

6.4.3. Read/Write Heads

6.4.4. Cylinders

6.4.5. Sectors and Tracks

6.4.6. Revolutions per Minute

6.4.7. Transfer Rate

6.4.8. Access Time

7. Flash Memory Storage

7.1. Solid state drives (SSDs)

7.1.1. Faster access time

7.1.2. Faster transfer rates

7.1.3. Generate less heat and consume less Power

7.1.4. Last longer

7.2. USB flash drives

7.2.1. plug into USB port on a computer a mobile device

7.3. memory card

7.3.1. CompactFlash (CF)

7.3.2. Secure Digital (SD)

7.3.3. Secure Digital High Capacity (SDHC)

7.3.4. microSD

7.3.5. xD Picture Card

7.3.6. Memory Stick

7.3.7. microSDHC

7.3.8. Memory Stick Micro (M2)