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:JSS1 First Term Internet and Communication…JSS1 First Term Internet and Communication…SS2 First Term Data Processing Lesson Note – Types…The first calculating device is the?SS2 First Term Data Processing Lesson Note – Data Modelling