In its first 15 years, JTC 1 brought about many standards in the information technology sector, including standards in the fields of multimedia ( such as MPEG ), IC cards ( or " smart cards " ), ICT security, programming languages, and character sets ( such as the Universal Character Set ).
22.
"Han unification " was an effort by the authors of Unicode and the Universal Character Set to map multiple character sets of the so-called CJK languages ( Chinese / Japanese / Korean ) into a single set of unified characters and was completed for the purposes of Unicode in 1991 ( Unicode 1.0 ).