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STORAGE by Mind Map: STORAGE

1. Other Types of storage

1.1. Tape

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

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

1.2. Magnetic stripe cards and smart cards

1.2.1. A smart card stores data on a thin microprocessor embedded in the card

1.2.2. A magnetic stripe card contains a magnetic stripe that stores information

1.3. Microfilm and microfiche

1.3.1. Microfilm and microfiche store microscopic images of documents on a roll or sheet film

1.4. Enterprise storage

1.4.1. Enterprise storage stores huge volume of data and information for large businesses

2. Cloud storage

2.1. users subscribe to cloud storage for a variety of reasons

2.1.1. Access files from any computer

2.1.2. Store large files instantaneously

2.1.3. Allow others to access their files

2.1.4. View time-critical data and images immediately

2.1.5. store offsite backups

2.1.6. new node

3. Capacity

3.1. capacity is the number of bytes a storage medium can hold

4. accesss time

4.1. the amount of time it takes a storage device to locate an item on a storage medium

4.2. the time required to deliver an item from memory to the processor

5. Hard disk

5.1. Hard disks can store data using longitudinal recording or perpendicular recording

5.2. Characteristic of a hard disk

5.2.1. New code

5.2.2. Platters

5.2.3. Read/Write heads

5.2.4. New node

5.2.5. Sectors and tracks

5.2.6. revolutions per minute

5.2.7. transfer rate

5.2.8. access time

5.3. External hard disk

5.3.1. An external hard disk is a separate free- standing hard disk that connects to your computer with a cable or wirelessly

5.4. Removable hard disk

5.4.1. A removable hard disk is a hard disk that you insert and remove from a drive

6. Flash memory storage

6.1. memory card

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

6.1.1.1. CompactFlash(CF)

6.1.1.2. Secure Digital(SD)

6.1.1.3. Secure Digital High capacity(SDHC)

6.1.1.4. MicroSD

6.1.1.5. MicroSDHC

6.1.1.6. xD picture card

6.1.1.7. memory stick

6.1.1.8. memory stick micro(M2)

6.2. Solid state drives

6.2.1. Solid state drive(SSDs) have several advantages over magnetic hard disks

6.2.1.1. Faster access time

6.2.1.2. Faster transfer rates

6.2.1.3. Generate less heat and consume less power

6.2.1.4. Last longer

6.3. USB flash drives

6.3.1. USB flash drives plug into a USB port on a computer or mobile device

6.4. ExpressCard module

6.4.1. An expressCard module is a removable device that fits in an ExpressCard slot

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

6.6. commonly used in notebook computers

6.7. Developed by the PCMCIA

7. storage device

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

7.2. reading is the process of transfering items from a storage medium into memory

7.3. writing is the process of transferring items from memory to a storage medium

8. Optical Discs

8.1. CD-ROM

8.1.1. A CD-ROM can be read from but not written to read from a CD-ROM drive or CD-ROM player

8.2. CD-R

8.2.1. A CD-R is a multisession optical disc on which users can write, but not erase

8.3. CD-RW

8.3.1. A CD-RW is an erasable multisession disc must have a CD-RW drive

8.4. DVD-ROM

8.4.1. A DVD-ROM is a high- capacity optical disc on which users can read but not write or erase Requires a DVD-ROM drive