1. A storage device is the hardware that record and retrieves item to and form storage media
1.1. Reading
1.1.1. is the process of transferring items from a storage medium into memory
1.2. Writing
1.2.1. is the process of transferring item from memory to a storage medium
2. Storage capacity is the number of bytes a storage medium can hold
2.1. storage term
2.1.1. Kilobyte(KB)
2.1.2. Megabyte(MB)
2.1.3. Gigabyte(GB)
2.1.4. Terabyte(TB)
2.1.5. Petabyte(PB)
2.1.6. Exabytes(EB)
2.1.7. Zettabyte(ZB)
2.1.8. Yettabytes(YB)
3. Volatility
3.1. Volatile:
3.1.1. Screen display
3.1.2. RAM
3.2. Nonvolatile
3.2.1. Content of Storage
3.2.2. ROM
3.2.2.1. Hard disk
3.2.2.2. VCD/CD
3.2.2.3. Floppy/Disk
4. Optical Disc : consist of flat, round, portable disc that written/read by disc
4.1. CD-ROM
4.2. CD-R
4.3. CD-RW
4.4. DVD-ROM
4.5. DVD-R/DVD+R
5. Enterprise storage: alow large organization to manage/store data/information using devices for heavy uses, maximum effiency/availability
5.1. Network attach storage (NAS)
5.2. Storage area Network(SAN)
5.3. Tape
6. Portable Flash Removable flash memory storage device
6.1. micro SD
6.2. Memory stick PRO Duo
6.3. XD picture Card
6.4. CF
6.5. M2
6.6. SDHC
6.7. SDXC
6.8. miniSD
6.9. microSDHC
7. Definition:storage medium that keeps data,information,programs and application in a computer
8. A storage medium is physical material on which computer
8.1. Access time measure
8.1.1. amount of time it takes a storage device to locate on a storage medium
8.1.2. Time required to delivery an item from memory to the processor
9. Cloud storage keeps information on servers on the Internet, and the actual media on which the files are stored are transparent to user
10. Hard Disk
10.1. Hard Disk known as hard disk (HDD) contain one or more inflexible,circular platters that use magnetic plate
10.2. Function
10.2.1. Store instruction
10.2.2. Store data
10.2.3. Store information
10.3. Characteristics
10.3.1. Tracks
10.3.2. Sectors
10.3.3. Platters
10.3.4. Form Factor
10.3.5. Read/write head
10.3.6. Revolutions per minute
10.4. SSD(Solid State Drive)
10.4.1. SSD is a flsh memory storage device that contains its own processor to manage its storage
10.4.2. Advantages
10.4.2.1. Faster access times
10.4.2.2. Faster Transfer rates
10.4.2.3. Quieter operation
10.4.2.4. More Durable
10.4.2.5. Lighter weight
10.4.2.6. Less power consumption
10.4.2.7. Less heat generation
10.4.2.8. Longer life
10.4.2.9. Defragmentation not required
10.5. RAID
10.5.1. RAID reduntant array of independent disk is a group of two integrated hard drives