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Storage by Mind Map: Storage
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Storage

Capacity

Kilobyte(KB)

Megabyte(MB)

Gigabyte(GB)

Terabyte(TB)

Petabyte(PB)

Exabyte(EB)

Zettabyte(ZB)

Yottabyte(YB)

A Storage Device

Reading

Writing

Hard disks

Characteristics of a hard disk include

Platters

Cylinders

Read/Write Heads

Transfer Rate

Access Time

Revolutions per Minute

Sectors and Tracks

Capacity

RAID

A network attached storage (NAS)

An external hard disk

A removable hard disk

Flash Memory Storage

Solid state drives (SSDs)

Faster access time

Faster transfer rates

Generate less heat and consume less power

Last longer

Memory card

CompactFlash (CF)

Secure Digital (SD)

Secure Digital High Capacity (SDHC)

microSD

microSDHC

xD Picture Card

Memory Stick

Memory Stick Micro (M2)

USB flash drives

Cloud Storage

Access files from any computer

Store large files instantaneously

Allow others to access their files

View time-critical data and images immediately

Store offsite backups

Provide data center functions

Optical Discs

A CD-ROM

A CD-R

A CD-RW

A DVD-ROM

A Blu-ray Disc-ROM (BD-ROM)

DVD-RW

DVD+RW

DVD+RAM

Other Types of Storage

Tape

Magnatic stripe cards

Microfilm

Enterprise storage

Smart cards

Microfiche

Putting It All Together

Home user

320 GB hard disk

Cloud storage

Optical disc drive

Card reader/writer

USB flash drive

Small Office/Home Office user

1 TB hard disk

Cloud storage

Optical disc drive

External hard disk for backup

USB flash drive

Mobile

250 GB hard disk

Cloud storage

Optical disc drive

Card reader/writer

Portable hard disk for backup

USB flash drive

Power User

2.5 TB hard disk

Cloud storage

Optical disc drive

Portable hard disk for backup

USB flash drive

Enterprise User (desktop computer)

1 TB hard disk

Optical disc drive

Smart card reader

Tape drive

USB flash drive

Enterprise User (server or mainframe)

Network storage server

40 TB hard disk system

Optical disc server

Microfilm or microfiche