1. Optical Discs
1.1. DVD‐RW, DVD+RW, and DVD+RAM
1.1.1. are high‐capacity rewritable DVD formats
1.2. A Blu‐ray Disc‐ROM (BD‐ROM)
1.2.1. has a storage capacity of 100 GB
1.3. A DVD‐ROM
1.3.1. is a high‐capacity optical disc on which users can read but not write or erase
1.4. A CD‐RW
1.4.1. is an erasable multisession dis
1.5. A CD‐R
1.5.1. is a multisession optical disc on which users can write, but not erase
1.6. A CD‐ROM
1.6.1. can be read from but not written to
2. A storage medium
2.1. Capacity is the number of bytes a storage medium can hold
3. Cloud Storage
3.1. is an Internet service that provides storage to computer users
3.2. Access files from any computer
3.3. is an Internet service that provides storage to computer users
3.4. Store large files instantaneousl
3.5. Allow others to access their file
3.6. View time‐critical data and images immediately
3.7. Store offsite backups
3.8. Provide data center functions
4. holds data,instructions and information for future use
5. Hard Disks
5.1. Characteristics of a hard disk
5.1.1. Platters
5.1.2. Capacity
5.1.3. Cylinders
5.1.4. Read/Write Heads
5.1.5. Revolutions per Minute
5.1.6. Transfer Rate
5.1.7. Access Time
5.1.8. Sectors and Tracks
5.2. Hard disks can store data using longitudinal recording or perpendicular recordin
5.3. Formatting
5.3.1. is the process of dividing the disk into tracks and sectors so that the operating system can store andlocate data and information on the disk
5.4. RAID
5.4.1. (redundant array of independent disks) is a group of two or more integrated hard disks
6. Other Types of Storage
6.1. Microfilm and microfiche
6.2. Magnetic stripe cards and smart cards
6.3. Enterprise storage
6.4. Tape
7. Flash Memory Storage
7.1. Solid state drives (SSDs)
7.1.1. Last longer
7.1.2. Generate less heat and consume less power
7.1.3. Faster transfer rates
7.1.4. Faster access time
7.2. memory card
7.2.1. CompactFlash (CF)
7.2.2. Secure Digital (SD)
7.2.3. Secure Digital High Capacity (SDHC)
7.2.4. microSD
7.2.5. microSDHC
7.2.6. xD Picture Card
7.2.7. Memory Stick
7.2.8. Memory Stick Micro (M2)
7.3. USB flash drives
7.3.1. plug into a USB port on a computer or mobile device