Katoni psinjika makina zolakwa wamba ndi njira zothetsera mavuto: kuyezetsa makina zolakwa, nthawi zambiri amasonyezedwa pagulu kuwonetsera kompyuta, koma osati mapulogalamu ndi zolakwika kompyuta, muyenera kusanthula mosamala, kulabadira mwatsatanetsatane zonse, kuti kuthetsa komaliza kupereka zambiri .. .
Werengani zambiri