Which of the following computing devices did not exist in the pre-computing age to the 19th century? By: Sunday|Published on: Jan 18|Categories: Computer Studies WAEC| 0 comments A. Napier’s bone B. Abacus C. ENIAC D. Slide Rule Correct Answer: Option C – ENIAC Users Also Read These:Ibadan-Ijebu relations in the 19th Century became…A bit as used in computing in digital communication is?The computing devices invented by Charles Babbage are?European traders did not venture into the interior…In computing, ALU stands?SEE ALSO The set of instructions written by computer experts to solve specific task of the user is called?