Which of the Boolean operators will be used when one wants to exclude a terminology in a
search?

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?

Consider the following statements: struct nametype{string first; string last; }; struct coursetype{string name; int callnum; int credits; char grade; }; struct studenttype{nametype name; double gpa; coursetype course; }; studenttype student; studenttype classlist[100]; coursetype course; nametype name; mark the following statements as valid or invalid. if a statement is invalid, explain why. a.) student. course. callnum = "csc230"; b.) cin > > student. name; c.) classlist[0] = name; d.) classlist[1].gpa = 3.45; e.) name = classlist[15].name; f.) student. name = name; g.) cout < < classlist[10] < < endl; h.) for (int j = 0; j < 100; j++)classlist[j].name = name; i.) classlist. course. credits = 3; j.) course = studenttype. course;

1. which of the following is not an example of an objective question? a. multiple choice. b. essay. c. true/false. d. matching 2. why is it important to recognize the key word in the essay question? a. it will provide the answer to the essay. b. it will show you a friend's answer. c. it will provide you time to look for the answer. d. it will guide you on which kind of answer is required.