Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Floppy Disk |
Cheap, light and portable Smallest storage capacity (1.44Mb) Reads and writes data slowly |
|
|
Hard drive |
Storage capacity: several gigabytes and getting larger Stores/retrieves data quickly; much faster than floppy disks External hard drives are portable Internal hard droves are not portable |
|
|
Magnetic tape |
Storage capacity: typically 2.4 and 8 Gb Low cost storage on hard disks Not generally used with desktop computers Slow so only used for network back ups |
|
|
Removable hard drives |
Several gigabytes and getting larger Removable drives such as external hard drives store much more data than floppy disks Removable and portable Relatively cheap Generally not as fast as hard drives |
|
|
Compact disk ROM |
Very cheap to produce, particularly on a large scale Good way of distributing software As CD is read only, data cannot be changed or deleted Slower access times than hard droves so video images generally not full screen |
|
|
Compact Disk recordable
|
650Mb Possible to add data to the CD-R in more than one session Goof for backing up files Should have a CD-R recorder to write to a disk CD-R software has varying capabilities |
|
|
Compact disk rewritable |
650Mb CD-RW can be erased and reused as many timed as required Good for backing up files Should have a CD-RW recorder to write a disk CD-R software has varying capabilities CD-RW does not work in all CD players CD-RW does not work in all CD players |
|
|
Digital versatile disk |
17Gb Excellent for showing video As with CD-R and CD-RW, there is a range of ways of writing (storing) data on DVD New technology, so number of DVDs in use is smaller then number of CD-ROMs DVDs do not work CD-ROM drives |
|
|
Flash memory |
Compact shape Operates faster than an optical disk Can hold more data than an optical disk Some may require a USB port Some do not have write- protection Can be easily misplaced or stolen |
