Search engines use programs called ________ to crawl the web and gather information

Select all that apply. Which of the following are member functions of the vector class that use emplacement?

a. insert() b. push_back() c. emplace() d. emplace_back() e. None of these

____ are diagrams used in mathematics and logic to help describe the truth of an entire expression based on the truth of its parts.

A. Truth diagrams B. Truth matrix C. Truth tables D. Logic diagrams