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Int Media - Storage

Int Media - Storage Devices

QuestionAnswer
Why Does a Computer need data storage? To save information permanently
Binary Code Computers understand data written as ones or zeros that are put together to form a special code
Byte Contain 8 Bits
MB is larger than a KB
GB is larger than a MB
TB is larger than a GB
Floppy Disk A removable disk that stores information magnetically using a floppy disk drive
Stores up to 1.44 MB of information Floppy Disk
Why are floppy disks rarely used today? the small amount of information that can be stored
Despite no being used today ______________ remains the symbol used in most programs for save Floppy Disk
Round devices that are about 4.75 inches in diameter CDs and DVDs
How is data on a CD or DVD read? an optical drive
CDs and DVDs are made of? Plastic
Information is added or written to the disc with a laser that heats the surface, this is called? Burning
What is burning speed? How many times faster the drive spins the CD or DVD when burning data to the storage medium than when it is just reading a CD or DVD
CD Can hold 650 MB of data
DVD Can hold 4 GB of data
CD-ROM or DVD-ROM Read Only Memory
Read Only Memory means: informaiton on the disc is permanent and cannot be added, edited, or deleted
Used mostly for Software, Audio CDs purchased from a store, or a movie that is rented or bought CD-ROM or DVD-ROM
CD-R or DVD-R Recordable
Recordable Means: information on the disc can be added, but once on the disk it is permanent
Used if you want to burn data and never make changes, such as custom music CD or video of family trip or a back-up of important data files CD-R or DVD-R
CD-RW or DVD-RW Recordable and Writeable
Recordable and Writeable means: Information on the discs can have files added, edited and deleted from the disc over and over again
Used most frequently for keeping working documents CD-RW or DVD-RW
Flash Drive Most commonly used in Cameras, Fax Machines and other electronic devices to save photos, music or other data
Memory chip is protected by a small plastic case with a USB slop at the top to pulg into the computer Flash Drive
Flash drives continue to grow due to their affordability
Flash Drive Can be purchased in a variety of sizes: 1GB, 2GB, 4GB, 8GB, 16GB, 32GB or more
Invented in the 1950s Hard Disks
Used to store digital informaiton in a relatively permanent form allowing computers the ability to remember things when the power goes out Hard Disks
Created by: mryan396
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