Hertz measures cycles per second - one Hertz is one cycle per second. Unlike gauss that is a measurement unit for the strenght of a specific thing (an electromagnetic field), hertz is a generic frequency measurement.
Prepend is a word that means to attach content as a prefix. It is often used in different kinds of programming and in automated processes. Some prepending is done manually as a user. For example, a prepend command could be used in a scripting language that a programmer would enter into a certain function or code module. It would add certain characters of text to the beginning of some variable or object.
Addenda vs addendums. An addendum is an additional item, usually to a document or book. Commonly it includes omissions or other missing material from the original. The dictionary lists addenda and addendums as recognized plural forms of this word. Addenda is the original Latin plural. However, addendum has been an established English word since the mid-sixteenth century, and as such has taken on the English plural of addendums. Advertisement.