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.
Pre exposure prophylaxis (PrEP) is medication to stop you getting HIV which is taken before sex with an HIV positive person. Find out more from Terrence Higgins Trust. Pre exposure prophylaxis (PrEP) is medication to stop you getting HIV which is taken before sex with an HIV positive person. Find out more from Terrence Higgins Trust. Terrence Higgins Trust uses cookies to improve your experience of our websites.