Optical drives

ADVANTAGES DISADVANTAGES

Once the data is written, it cannot be erased which is very useful for the distribution of software or backing up

The data cannot be changed or updated and can be easily stolen or lost.


High storage capacity means full-length movies can be stored.

The user cannot store their files on the disk.

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=xd_HWEy9DzZADM&tbnid=GhZNggH7iPLfnM:&ved=0CAUQjRw&url=http://support.lenovo.com/?lndocid=MIGR-66003&ei=dKdvUv6aB4bR0QXrwoCwCQ&bvm=bv.55123115,d.d2k&psig=AFQjCNFJMdhjZM0CWIW0Fvm7iDwZcn-NTw&ust=1383135462497206


They are very cheap and portable

can only be used once, they can get scratched


Can be re-used Data transfer is lower than a hard disk

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=JEsgYPpVWnilBM&tbnid=um5kCky5LIS_WM:&ved=0CAUQjRw&url=http://www.iconarchive.com/show/imod-icons-by-babasse/CD-RW-icon.html&ei=jKhvUoq8Naey0QWYxICICg&bvm=bv.55123115,d.d2k&psig=AFQjCNGepnOuXEzP_IvMFhPw0My0cSjN-w&ust=1383135751771314


Burn copies of movies and movies online

It can damage easily

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=0srQZa4bX5LyJM&tbnid=qWbfmuNqVT_BqM:&ved=0CAUQjRw&url=http://www.iconarchive.com/show/imod-icons-by-babasse/DVD-RW-icon.html&ei=SKpvUoySCeLG0QWhlICYCQ&bvm=bv.55123115,d.d2k&psig=AFQjCNHra8Gh_cPbTZt3tOe5jiX9pN-o_g&ust=1383136189371181


Fast transfer and access rate The device is costly compared to the others

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=6VEjt204ZSHD_M&tbnid=j5UWnL9OGTA-dM:&ved=0CAUQjRw&url=http://www.iconarchive.com/show/icons-10-bundle-icons-by-icontoaster/dvd-ram-icon.html&ei=g6tvUp22OOeb1AW_moHgCQ&bvm=bv.55123115,d.d2k&psig=AFQjCNHltVHsHRlOYfyuENMrGKsQM0zi0A&ust=1383136511957836


Huge amounts of storage capacity

Blu-ray is currently the most expensive optical drive

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=wX7H3AQOVhxVsM&tbnid=mxyCCoArSxzTIM:&ved=0CAUQjRw&url=http://kearneymedia.net/kearneymedia/shop/hd-video-to-blu-ray/hd2bdsimple/&ei=JaxvUr_3IKic0QWPkoHACQ&bvm=bv.55123115,d.d2k&psig=AFQjCNEJVPaN_pou7FrVjdZP0sNmmlQpwg&ust=1383136662710979

Optical drives

Technology

Transcript of Optical drives