Impuzandengo ya sisitemu yo gusiga ntabwo iringaniza ryoroshye hagati yamavuta, ahubwo ni amavuta yo kwisiga ya sisitemu yose.Imikorere ya sisitemu zitandukanye zihamye zifite ibisabwa bitandukanye kumavuta, hamwe namavuta yakinishijwe amavuta yo kwisiga ...