The correct answer is: B. input, storage, manipulation and outputting of data
A modern electronic computer is a machine that is meant for input, storage, manipulation and outputting of data. It can be used to perform a variety of tasks, including mathematical calculations, word processing, and data analysis.
Option A is incorrect because modern electronic computers can do more than just quick mathematical calculations. They can also be used to store, manipulate, and output data.
Option C is incorrect because electronic data processing is a more general term that encompasses all of the tasks that a modern electronic computer can perform.
Option D is incorrect because modern electronic computers can perform a variety of tasks, not just repetitive tasks.
Option E is incorrect because modern electronic computers are machines that are meant for input, storage, manipulation and outputting of data.