Makina osindikizira a digito monga zida zapamwamba kwambiri komanso zamtengo wapatali zopangira nsalu zosindikizira, zimagwira ntchito yofunika kwambiri, yomwe kusindikiza kusindikiza - mitu monga gawo lalikulu la makina osindikizira a digito, machitidwe ake ndi moyo wake zimakhudza kwambiri khalidwe.