Okwekhebula lesiginali nokulawula kuma-elekthronikhi wezinhlelo zamakhompiyutha, okokusebenza kokulawula i-elekthronikhi, umshini wasehhovisi noma amayunithi okulawula inqubo, okudinga amandla aphansi nokuvikelwa ekuphazamisekeni kukagesi kagesi (EMI) kanye nemisebe kagesi kagesi (EMR) enentuthu ephansi enguziro halogen kanye nemfuneko yokubuyiswa komlilo.