STORAGE

STORAGE

1. TAPE

   • Magnetically coated plastic ribbon
     • Capable of storing large amounts of data at low cost
   • Used for backup

2. ZIP DISKS

   • Magnetic medium that stores 100 MB to 750 MB of data
     • used to back up and transfer files
     • High-capacity storage

3. PC CARDS

   • Adds capabilities to computer
     • Used in notebook computer

4. HARD DISKS

   • Portion of memory that processor uses to store frequently accessed items
   • Have External hard disks & Removable hard disks
     • Used: Backup & Transfer
   • Internet hard drive - File can be accessed from any computer with Web access

5. FLOPPY DISKS

   • Portable, inexpensive storage medium
     • Also called diskette
       • secondary storage
         • Reads from and writes to floppy disk

6. CDs & DVDs

   • Can be read only or read/write
     • Typically stored in single track
       • Have CD-Rs & CD-RWs
   • CDs
   • DVDs
     • High capacity
       • Storing 4.7 GB to 17GB
       • Must have DVD-ROM drive/ DVD player
         • To read DVD-ROM
       • Stores databases,music,complex software &movies

7. MOBILE STORAGE MEDIA

   • Storage for small mobile devices
     • Common type - Compact Flash, Smart Media, Secure Digital, Memory Stick, Micro drive,xD Picture Card
   • Card Reader- Read information stored
     • Smart Card- Stores data on McP
   • e-money - Online payment
   • Microfilm & Microfiche
     • Images recorded using - computer output microfilm recorder

8. Holds data, instructions, & information for future use

Bilder und Dateien der Mindmap