Skaner – asbobest, ki ba tavri avtomati informatsiyai matnivu grafikiro az kogaz ba kompyuter dokhil namoyad. Bo yorii sistemai programmahoi makhsus kompyuter metavonad simvolhoi matn yo elementhoi rasmu grafikhoi ba vositai skaner dokhilkardashudaro shinosad va kor karda baroyad. Skanerhoi hozirazamon hatto matnhoi dastnavisro niz ba kompyuter dokhil karda metavo nand.
Baroi az kogaz ba moshin dokhil namudani informatsiya skaner tajhizoti behamtost. Skanerho ham ba misli digar asbobho khele gunogunand: ruimizi, barabani, dasti, ranga, siyohu safed, arzishashon qimmat, arzon va gayra.