Storage

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Storage by Mind Map: Storage

1. Storage

1.1. Storage holds data, instructions, and information for future use

1.2. A storage medium is the physical material on which a computer keeps data, instructions, and information

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

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

1.4.1. Readin

1.4.2. Writing

2. Flash Memory Storage

2.1. Flash memory chips are a type of solid state media and contain no moving parts

2.2. Solid state drives (SSDs)

2.2.1. Faster access time

2.2.2. Faster transfer rates

2.2.3. Generate less heat and consume less power

2.2.4. Last longer

2.3. memory card in computer, mobile device, or card reader/writer

2.3.1. CompactFlash (CF)

2.3.2. Secure Digital (SD

2.3.3. Secure Digital High Capacity (SDHC

2.3.4. microSD

2.3.5. microSDHC

2.3.6. xD Picture Car

2.3.7. Memory Stick

2.3.8. Memory Stick Micro (M2)

2.4. USB flash drives

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

2.5. ExpressCard module

2.6. Developed by the PCMCIA

2.7. Commonly used in notebook computers

3. Cloud Storage

3.1. Access files from any compute

3.2. Store large files instantaneousl

3.3. Allow others to access their file

3.4. View time‐critical data and images immediatel

3.5. Store offsite backup

3.6. Provide data center function

4. Other Types of Storage

4.1. Tape

4.1.1. Tape is a magnetically coated ribbon of plastic capable of storing large amounts of data and information

4.1.2. A tape drive reads and writes data and information on a tape

4.2. Magnetic stripe cards and smart cards

4.3. Microfilm and microfiche

4.4. Enterprise Storage

5. Hard Disks

5.1. A hard disk that use magnetic particles to store data, instructions, and information

5.2. Characteristics of a hard disk include

5.2.1. Capacity

5.2.2. Platter

5.2.3. Read/Write Head

5.2.4. Cylinders

5.2.5. Sectors and Tracks

5.2.6. Revolutions per Minute

5.2.7. Transfer Rat

5.2.8. Access Time

5.3. Formatting 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

5.4. RAID (redundant array of independent disks)

5.5. network attached storage (NAS)

5.6. external hard disk

5.7. removable hard disk

5.8. miniature hard disks

6. Optical Discs

6.1. A CD‐ROM can be read from but not written to

6.1.1. Read from a CD‐ROM drive or CD‐ROM player

6.2. A CD‐R is a multisession optical disc on which users can write, but not eras

6.3. A CD‐RW is an erasable multisession disc

6.3.1. Must have a CD‐RW driv