▁" options ". ▁The ▁monitor ▁was ▁a ▁black ▁and ▁white ▁TV ▁set ▁modified ▁for ▁the ▁purpose , ▁an ▁obvious ▁choice ▁since ▁Lux or ▁also ▁made ▁TV s . ▁ ▁The ▁ABC ▁ 8 0 ▁was ▁used ▁in ▁schools ▁and ▁offic ies ▁around ▁Sc and in avia ▁and ▁parts ▁of ▁Europe . ▁It ▁was ▁also ▁used ▁for ▁industrial ▁autom ation , ▁scientific ▁measurement ▁and ▁control ▁systems . ▁Like ▁its ▁successor , ▁the ▁ABC ▁ 8 0 0 , ▁the ▁computer ▁had ▁an ▁unus ually ▁quick ▁and ▁us able ▁B AS IC ▁with ▁excellent ▁I / O ▁response ▁times , ▁something ▁that ▁was ▁often ▁discovered ▁when ▁trying ▁to ▁switch ▁to ▁IBM ▁PC - based ▁personal ▁computers . ▁Due ▁to ▁its ▁roots ▁in ▁an ▁industrial ▁computer ▁system , ▁the ▁ABC ▁ 8 0 ▁also ▁had ▁a ▁flexible ▁bus ▁extension ▁system ▁with ▁many ▁( external ) ▁expansion ▁and ▁peri pher al ▁cards ▁available ▁for ▁various ▁purposes ▁and ▁applications , ▁as ▁well ▁as ▁high ▁quality ▁support ▁and ▁documentation . ▁ ▁ABC ▁ 8 0 ▁was ▁also ▁manufact ured ▁on ▁license ▁as ▁BR G ▁ABC 8 0 ▁by ▁Bud ap esti ▁R ád ió techn ikai ▁Gy ár ▁in ▁Hung ary . ▁It ▁used ▁the ▁same ▁keyboard , ▁but ▁the ▁case ▁was ▁metal ▁instead ▁of ▁pl astic . ▁ ▁Popular ity ▁ ▁In ▁addition ▁to ▁its ▁w ides p read ▁use ▁in ▁schools , ▁offic ies ▁and ▁industrial ▁applications , ▁the ▁ ▁initially ▁also ▁grasp ed ▁a ▁majority ▁share ▁of ▁the ▁rising ▁personal ▁computer ▁market ▁in ▁Sweden , ▁partly