Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar wurin: Passage: An bayyana fasahar leƙen asiri dalla-dalla a cikin takarda da gabatarwa da aka ba 1987 International HP Users Group, Interex. Tambaya: Yaushe aka gabatar da fasahar leƙen asiri ga HP?
Shekarar 1987