A typewriter example may seem a bit archaic, but it is mirrored by some legacy machine architectures, such as fixed disk
storage or dumb terminals, which are still widely deployed by some companies.
For database systems, storage usually will be accomplished by means of fixed disk
drives or disk subsystems.
In contrast, the second metaphor--Confidence Intervals Are Changing Points on a Fixed Disk
metaphor")--conceptualizes confidence intervals as fixed-diameter disks onto which successive points are placed.
Virtualization is an inherent capability of enterprise storage arrays, which aggregate capacity from multiple fixed disk
drives in a single physical frame and present logical volumes for host access.
Storage management, in general, and storage area networking, in particular, should provide some relief from this conundrum by managing pooled, fixed disk
and tape resources, as well as all removable media and the implementation of just-in-time storage management.
Three-dimensional analysis of tolerances proves they can be eased on a fixed disk
Hardware requirements include the following: Intel 486 or above processor, 8 MB RAM, 200 MB fixed disk
, network interface card, VGA or better monitor, and adapter.
The video motion segments come from a compact disk, while the questions are queued from a data base contained on the fixed disk
drive in our home computer.
More expensive, somewhat heavier laptop PCs contain more advanced processor chips and two disk drives, possibly including a 20-meg or larger fixed disk