what is Update:
The Word update comes from the English language means “update”, “modernize”. The term update this deeply related to technology, longer than it used to update software, operating systems, computer programs, games, among others.
The update consists of an information search or a more recent data. The update can be accomplished by the individual or by the own software, automatically, as it is the case of the update of certain programs that are performed daily, weekly, or monthly, as: antivirus.
The term update refers to small changes, like small updates or corrections, operating systems, and installation of patches, without changing it. The update is necessary and indispensable to achieve a better performance in the appliance device and applications.
Update and upgrade
Upgrade is used to upgrade hardware, software or firmware, by a superior, or recent version as well: the plate mother, plate of network processors, among others. Upgrade updated to a better, as for example version: Windows Update to the new version, and next to it brings improvement, with new functions and increase existing ones.
The question to know if there is talk of update or upgrade, is to know if the update brought an improvement or advantage with the update, if the positive response, no doubt refers to upgrade, otherwise, there is talk of update.
For more information, see the article upgrade.