Storage

Storage

1. Capacity

   • kilobyte  megabyte gigabyte terabyte petabyte exabyte zettabyte yottabyte

2. Zip Disks

   • Magnetic medium that stores 100 MB to 750 MB of data
   • Used to back up and to transfer file
   • Zip disk require a Zip- drive- high capacity drive that read from and writes on a Zip disk

3. Floppy Disk

   • - shutter -shell -liner -magnetic coating -metal hub -flexible thin film
   • Device that reads from and writes to floppy disk
     • How do care for a floppy
       • 1) Never open the shutter and touch the disk's surface 2) Avoid exposure to heat and cold 3) Avoid exposure to magnetic field 4) Avoid exposure to contaminants such as dust, smoke, or salt air 5) Keep disk in a storage tray when not using them

4. CDs and DVDs

   • whats are CDs and DVDs
     • Flat, round, portable metal dics made of metal,plastic, and lacquer
     • Can be read only or read / write
     • Most PSc include CD or DVD drive, most play audio CDs
   • CD- Rom
     • Compact dics read-only memory
     • Commonly used to distribute multimedia and complex soft
     • Typically holds 650 MB to 1 GB
     • Cannot erase or modify contents

5. Hard disk

   • High-capacity storage
   • Consists of several inflexible, circular platters that store items electronically
   • Component enclosed in alright, sealed case for protection

6. Tape

   • Magnetically coated plastic ribbon
   • Primarity used for backup

7. Pc Cards

   • Adds capabilities to computer
   • Credit-card-sized device commonly used in notebook

8. Miniature Mobile Storage Media

   • Storage for small mabile devices
   • Card reader
   • e-money
   • microfilm and microfiche

9. External Hard Disk

   • freestanding hard disk that connects to system unit

10. Removable Hard Disk

    • hard disk that you insert and remove from hard disk drive

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