Alamar dijital tana nufin amfani da nunin lantarki, kamar LCD, LED, ko allon hasashe, don nuna abun cikin multimedia don talla, bayanai, ko dalilai na nishaɗi. Ana iya amfani da alamar dijital a wurare daban-daban, gami da shagunan sayar da kayayyaki, gidajen abinci, filayen jirgin sama, otal-otal, da...
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