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.
Definition of append from the Collins English Dictionary Reflexive pronouns Reflexive pronouns are used: person singular plural 1st 2nd 3rd masculine 3rd feminine 3rd neuter General myself yourself himself herself itself oneself ourselves yourselves themselves th...