There are two main categories of storage devices. Primary storage, such as RAM, is used by computer systems to temporarily store and retrieve data. Secondary storage devices, such as hard drives, offer a more permanent solution. Some electronic devices use flash memory cards as storage devices as well.
The definition of upmost is uppermost or nearest to the top. The cabinets nearest to the top are examples of the upmost cabinets. upmost. upmost.
Extent. Extent defines a region as either ice-covered or not ice-covered. For each data cell, it is a binary term; either the cell has ice (usually a value of 1) or the cell has no ice (usually a value of 0). A threshold determines this labeling.