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STORAGE - Coggle Diagram
STORAGE
DEFINITION
STORAGE
Storage holds data, instruction and information for future use.
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STORAGE MEDIA
The physical material on which a computer keeps data, information, programs and applications
TYPES OF STORAGE MEDIA
SOLID STATE DRIVES
FUNCTION
A storage device that uses flash memory to store data, information and instruction
CHARACTERISTICS
- SSDs contain no moving parts
- Current SSDs storage capacities up to 8 TB
FLASH MEMORY STORAGE
FUNCTION
A storage media that uses solid-state chip that maintains store data without any external power source
CHARACTERISTICS
More durable and shock resistant than other types of secondary storage because it contains no moving parts
TYPES
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Memory cards
- Flash memory storage that users insert and remove from a slot in personal computer, smartphone, digital camera, or card reader/writer
- Examples: CompactFlash, microSD, Memory Stick Micro
HARD DISKS
FUNCTION
Storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, information, and instruction
CHARACTERISTICS
- high-capacity storage
- components enclosed in airtight, sealed case for protection
TYPES
Internal hard disks
- An internal hard disk can be mounted inside a desktop or laptop
- HDD come in two sizes. The 3.5" model is mostly used in Desktop computers, and the 2.5" model is used in Laptops
External hard disks
An external hard disk is a separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device
OPTICAL DISC
A storage media that consists of flat, round, portable disc made of metal, plastic and lacquer that is written and read by a laser
TYPES OF OPTICAL DISC
Compact Disc (CD)
A type of optical disc used to store data, songs, drivers, and program files
TYPES OF CD
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CD-R
Users can write (in separate time), but no erase
CD-RW
Users read and write on multiple time, erasable
Digital Video Disc (DVD)
- Used mainly as video and data storage
- Holds over 7 times a CD's capacity
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Blue-ray Disc (BD)
- A type of optical disc used to store high-definition and ultra high-definition videos and movies
- It uses a blue laser instead of a red laser to read and write data on the disc
- Allow for 6 times more than a DVD
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