Electronics Engineering Question: Explain what is the difference Allen Bradley and Siemens plc Electronics Engineering Interview QuestionAnswer: allen bradley plc software can use for programming offline otherwise siemens software can`t use in offline only use in online mode Previous QuestionNext QuestionExplain the output of the lexical analyser is1. a set of regular expressions2. syntax tree3. set of tokens4. string of charactersTell me can a gas be used for conducting current?