Secondary storage
Storage speed & comparison | Flexible
disks | Hard disks | Optical disks | Tape | Technical feature comparison
CD-ROM | MO | 
RAM
disks
|
|
Storage and Speed Comparisons |
![[9.1GB comparison]](../../v2gr/v2gr_hw/hwdsks.gif)
Technical feature comparison |
| Diskette | Hard Disks | CD-ROMS | |
| Avg. Access times milli-sec (ms) |
100 | 8 - 12 | 100 - 300 |
| Data-Transfer Rate MByte/sec (MB/s) |
0.045 | 5 -15 | 0.3 - 4 (24x) |
| Typical capacity (MB) | 1.44 (3.5") | 2,100 (1998) (2.1GB) |
640MB |
| Technology used | Magnetic | Magnetic | Optical (Laser) |
[Rev: 10/8/98] 6-May-97 © 1997-98 V/2-Com (Verhaart), P O Box 8415, Havelock North, New Zealand.
Secondary
storage devices - comparisons