1. Hard Disks
1.1. Capacity
1.2. Platters
1.3. Read/Write heads
1.4. Cylinders
1.5. Transfer Rate
1.6. Access Time
1.7. Secter and minute
1.8. Ravolution per minute
1.9. How a Hard Disk works
1.9.1. 1. Circui board controls the movement of the head actuator and small motor.
1.9.2. 2. A small motor spins the platters while the computer is runner.
1.9.3. 3. When software request a disk access, the read/write head determine the current or new location of data.
1.9.4. 4. The head actuator positions the read write head arms over the correct location on platters to read or write data.
2. Flash Memory Storage
2.1. USB flash drives
2.1.1. USB flash drives plug into a USB port on a computer or mobile device
2.2. ExpressCard
2.2.1. An ExpressCard module is a removable device that fits in an ExpressCard slot
2.3. Memory Card
2.3.1. 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
2.3.1.1. CompactFlash ( CF )
2.3.1.2. Secure Digital ( SD )
2.3.1.3. Secure digital High Capacity ( SDHC )
2.3.1.4. microSD
2.3.1.5. microSDHC
2.3.1.6. xD Picture Card
2.3.1.7. Memory Stick
2.3.1.8. Memory Stick Micro ( M2 )
3. Other Types of Storage
3.1. Tape
3.1.1. Tape is a magnetically coated ribbon of plastic capable of storing large amounts of data and information
3.2. Tape drive
3.2.1. A tape drive reads and writes data and information on a tape
3.3. Magnetic stripe card
3.3.1. A magnetic stripe card contains a magnetic stripe that stores information
3.4. Smart card
3.4.1. A smart card stores data on a thin microprocessor embedded in the card
3.5. Microfilm
3.5.1. Microfilm and microfiche store microscopic images of documents on a roll or sheet flim