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:COM 111 Theory Questions: Data Process And Stages Of…CSC 121 Theory Question: Data Processing Stages -…A motor of a corn mill machine operates on…SS1 First Term Data Processing Lesson Note – The Art…SS2 First Term Data Processing Lesson Note – Data Modelling