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STORAGE - Coggle Diagram

- - - - Function ; contains one or more inflexible, circular platters that use magnetic particles to store data, instructions and information.
        Characteristic ; high-capacity storage , components enclosed in airlight, sealed case for protection.
        Types of hard disk ; internal hard disk - can be mounted inside a desktop or laptop. HDD come in two sizes.
        ; External hard disk - a separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device.
    - - Function ; that uses flash memory to store data, instructions and information.
        Characteristics ; SSDs contain no moving parts.
        ; current SSDs storage capacities up to 8 TB.
        Benefits - faster access time
        -faster transfer rates
        -more durable
        -use less energy
        Drawbacks ; Cost is much higher.
    - - That ses solid-state chip maintains stored data without any external power source.
        
        commonly used in portable electronics and removable storage devices.
        
        more durable and shock resistant
        
        types of flash memory ; 1. USB Flash Drive - that users plug in a USB port on computers or mobile devices.
        ; 2. Memory Cards - that users insert and remove from a slot in personal computer, smartphone, digital camera, or card reader.
        EXAMPLE MEMORY CARDS - SmartMedia Card , CompactFlash Card, McroSD Card, SD Card
    - - Storage media that consists of flat, round , portable disc made of metal, plastic and lacquer that is written and read by a laser.
        
        Stores data in deformities on the surface of a circular disc and reads this data by illuminating the surface with a laser diode and observing the reflection.
        
        primarily used to store software, data , digital photos, movies and music.
        
        types of optical disc ; 1. COMPACT DISC - a type of optical disc used to store data, songs , drivers, and program files.
        -Types of CD ; CD-ROM , CD-R, CD-RW.
        2.DIGITAL VIDEO DISC - used mainly as video and data storage.
        
        holds over 7 times a CD capacity.
        -types of DVD ; DVD-ROM , DVD-R , DVD-RW.
        
        3.BLUE-RAY DISC(BD) - used to store high-definition and ultra high-definition videos and movies.
        -used a blue laser instead of red laser to read and write.
        -allow for 6 times more storage than DVD.
        -types of BD ; BD-ROM , BD-R , BD-RE.