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:Write short notes on each of the following office…SS1 Second Term Data Processing Lesson Note – Word…SS1 First Term Data Processing Lesson Note –…Write short notes on the following: (i) Stapling…JSS1 First Term Internet and Communication…