The Yagi antenna or Yagi-Uda antenna is a directional antenna Invented in 1930. This invention advanced conventional antennas, meaning that through a simple dipole structure, combined with parasitic elements known as reflectors and directors, a directional antenna could be built.
Every number in game has a variable, there is a variable for the health, ammo and more. Where are these values and these variables stored? Well, they are stored somewhere on our computer, that's what we call memory addresses. Here in this example, we will be changing those variable values in a game so, we can take advantage of it like, get unlimited health, ammo etc.