A na-eji eriri nnyefe data MVVS na ngwa elektrọn nke sistemu kọmputa, akụrụngwa njikwa eletrọnịkị, wdg. Ihe mkpuchi mkpuchi ọla na-echebe megide nnyonye anya ugboro ugboro.Ọ dabara maka mmegharị n'efu, anaghị aga n'ihu na-enweghị nsogbu, dị ka igwe okwu, ahịrị mgbama, wdg.