What is the Purpose and function of the Global Positioning System (GPS)?

Who is the first president to use social media as part of his campaign strategy

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

Jack is assisting his younger sibling mary with her mathematics assignment, which includes a study of the number system. jack explains to mary that whole numbers are counting numbers that could be used to record the number of fruits in a basket. which data type represents whole numbers? a.integers.b.floating-point numbers. c.strings.d.boolean