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Int Media - Storage
Int Media - Storage Devices
| Question | Answer |
|---|---|
| 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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