_____________ is a logical unit of the computer that sends information which has already been processed by the computer to various devices so that it may be used outside the computer

To add an element to a vector of integers named numbers at the next available position in the vector, you would use:

a. numbers[numbers.size()+1] = newValue; b. numbers = newValue; c. numbers.pushBack(newValue); d. numbers.push_back(newValue);

Assume permissions on a file allow you to write to the file but not to delete it.

a. Give a command to empty the file without invoking an editor. b. Explain how you might have permission to modify a file that you cannot delete.