C++ Chapter 2

Preprocessor directives begin with a A) # B) ! C) < D) * E) None of the above

A) #

What will the following programs print on the screen? A) #include <iostream> using namespace std; int main() { int freeze = 32, boil = 212; freeze = 0; boil = 100; cout << freeze << endl << boil << endl; return 0; } B) #include <iostream> using namespace std; int main() { int x = 0, y = 2; x = y * 4; cout << x << endl << y << endl; return 0; } C) #include <iostream> using namespace std; int main() { cout << "I am the incredible"; cout << "computing\nmachine"; cout << "\nand I will\namaze\n"; cout << "you."; return 0; } D) #include <iostream> using namespace std; int main() { cout << "Be careful\n"; cout << "This might/n be a trick "; cout << "question\n"; return 0; }

A) 0 100 B)8 2

Every complete statement ends with a

C) semicolon

A group of statements, such as the contents of a function, is enclosed in A) Braces {} B) Parentheses () C) Brackets <> D) All of the above will do

C) Brackets <>

Which of the following are not valid cout statements? (Circle all that apply.) A) cout << "Hello World"; B) cout << "Have a nice day"\n; C) cout < value; D) cout << Programming is great fun;

C) cout < value; D) cout << Programming is great fun;

Write assignment statements that perform the following operations with the variables a , b , and c .

A) B) C) D) E) F) G)

Every C++ program must have a A) cout statement B) function main C) #include statement D) All of the above

A) Function main

Which of the following statements is correct? A) #include (iostream) B) #include {iostream} C) #include <iostream> D) #include [iostream] E) All of the above

B) #include <iostream>

Which of the following are not valid assignment statements? (Circle all that apply.) A) total = 9; B) 72 = amount; C) profit = 129 D) letter = 'W';

B) 72 = amount;

The following data 72 'A' "Hello World" 2.8712 are all examples of A) Variables B) Literals or constants C) Strings D) None of the above

B) Literals or constants