Storage Devices

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					Different Types
 Optical Storage Device – data is written with laser
 Magnetic Storage Device – data is stored or written by
  magnetization process
 Media, Flash Drives, Memory Sticks, etc- compact file
  storage devices that you plug externally
Optical Storage Device
 CD- R
 CD-R and CD-RW Disks
   CDR- One time recording/saving
   CDRW- Save files over and over
 DVD- ROM Disk
 DVD-R and DVD-RW Disks – higher capacity than
  CDR, can record and play movies
   DVD-R- Record Once
   DVD-RW- Burn, Delete and Re record files
Optical Storage Devices
Pros                          Cons
 Permanent Storage            Limited Capacity
 You can bring it anywhere       CD Disks 700 MB
 Durable                         DVD Disks 4 GB

 Inexpensive                  Slow read/write speed
Other examples of Optical Storage
 Blue Ray DVDs
 Video recording that uses DVD Disks
 DVD Players
 DVR’s - TVO
 Record players that has CDRW Drives
Magnetic
 Floppy Disks
 Computer Hard Drive
 Magnetic Tape
 Zip Drives
Magnetic Storage Devices
Pros                             Cons
 Hard Disks are high capacity    Hard Drive on computer is
  storage                          not portable
 Floppy and Zip Disks are        Floppy Disks – small capacity
  portable                        New Computers don’t have
 You can reuse the devices        floppy disks anymore
                                  Tapes are not durable
Media/Flash Drives
 Jump Drives
 Digital Camera SD cards
 Memory Stick
 External Hard Drive
Social Networking Sites
 Here is a brief list of growing and popular social
  networking sites:
  Facebook - facebook.com
  Twitter - twitter.com
  Blogger - blogger.com
  Flickr - flickr.com
  YouTube - youtube.com
  Ning - ning.com
  Second Life - secondlife.com
  MySpace - myspace.com
  Meetup - meetup.com
E-Commerce
 is the buying and selling of goods and services over the
 Internet

 Also known as electronic commerce; e-shopping

				
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posted:1/16/2013
language:English
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