"The Didaktik Alfa was build by a company called Sluzba Bratislava, factory Skalica in 1987. Mr. Ing. Roman Kiss developed the design for the Alfa as well as for the PMD 85 - so both machines are based on the Hewlett-Packard 85 adapted to locally available parts. The Alfa should be the first Basic computer for the Czechoslovakian market using a simple russian black an white TV-Set called "Junost". The TV-Set was placed on top of the Alfa and to match the colour of the TV-Set the first machines were build with white cases - later black, red and blue machines were build. The size of the alfa was also determined by the military-made keyboard.