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.
bound3. 1  a number which is greater than all the members of a set of numbers (an upper bound), or less than all its members (a lower bound) See also bounded (sense 1) 2  more generally, an element of an ordered set that has the same ordering relation to all the members of a given subset. 3  whence, an estimate of the extent of some set.