The first calculating machine in data processing was? by Sunday | Mar 21 | Accounting WAEC | 0 comments A. abacus B. pascal C. punched cards D. digital Correct Answer: Option A A. abacus Users Also Read These:SS2 First Term Data Processing Lesson Note – Data ModellingSS1 Second Term Further Mathematics Lesson Note –…SS1 First Term Data Processing Lesson Note – Data…COM 111 Theory Questions: Data Process And Stages Of…SS1 First Term Data Processing Lesson Note –…