Iostream Study guides, Class notes & Summaries

C857 Test Questions and Answers(variable -ANSWER named location in memory main function -ANSWER called when the program starts cout -ANSWER a filestream variable that represents the default output device #include <iostream> -ANSWER include directive needed to allow use of the various I/O operators such as cout and cin. preprocessor directive -ANSWER C program line beginning with # that provides an instruction to the preprocessor; instruction to the compiler to change the source...

C++ Exam Review Questions and answers, rated A+ to compile a C++-program g++ -o programname **program name is up to you run a C++ program ./programname comments //This is a single-line comment. /* This is a multi-line comment. It can have multiple lines! */ input/output on screen #include <iostream> using namespace std; output cout << "string of characters"; cout << variable; << end

2-1 ********************************** * Programming Assignment 1 * * Computer Programming I * * Author: ??? * * Due Date: Thursday, Jan. 24 * ********************************** In your program, substitute ??? with your own name. If necessary, adjust the positions and the number of the stars to produce a rectangle. - Answer- #include <iostream> using namespace std; int main() { cout<<"**********************************" << endl; cout <<"* Programming Assi...

// This is a comment /* * Multi-line comment */ // Tells the compiler iostream library which contains the function cout #include <iostream> // Allows us to use vectors #include <vector> // Allows us to use strings #include <string> // Allow us to work with files #include <fstream> // Allows functions in the std namespace to be used without their prefix // std::cout becomes cout using namespace std;

variable -ANSWER named location in memory main function -ANSWER called when the program starts cout -ANSWER a filestream variable that represents the default output device #include <iostream> -ANSWER include directive needed to allow use of the various I/O operators such as cout and cin. preprocessor directive -ANSWER C program line beginning with # that provides an instruction to the preprocessor; instruction to the compiler to change the source code before compilation. how...

Advanced programming CHAPTER 1 24.5 out of 30 Question 1 What will happen when you attempt to compile and run the following code? #include <vector> #include <iostream> int main () { std::vector<int> v1; // LINE I _back(10); // LINE II std::cout<<()<<":"<<()<<std::endl; // LINE III return 0; } code compiles and executes successfully Question 2 Which statement is true about the code...

What number is used by modern digital computers? - Answer- Binary Using "cin" and "cout" requires which library? - Answer- iostream What data type would be best for the value 42? - Answer- int What is the result of: pow( 3, 2 ) - Answer- 9 What value would the variable y be equal to? int y = 3 + 5 / 2; - Answer- 5 Which of the following are logical operators? a) &&, ||, != b) ||, !, == c) !, ||, && - Answer- c If x = 5, y = 6, z = 4, what is the value of x != z && ...

// correct answers comment A line that starts with #, is called a correct answers PREPROCESSOR DIRECTIVE Note: correct answers The preprocessor reads your program before it's compiled and only executes those lines beginning with a # symbol. Think of the preprocessor as a program that "sets up" your source code for the compiler. the ___________ directive causes the preprocessor to include the contents of another file in the program. correct answers #include; The word in...

Study Guide Solutions cos1511 and extras Science (Myers Park High School) lOMoARcPSD| Tutorial letter 102 Introduction to Programming 1 COS1511 Semesters 1 & 2 School of Computing IMPORTANT INFORMATION: This tutorial letter contains the answers to the exercises in the study guide. lOMoARcPSD| 2 TUTORIAL MATTER Up to now you should have received the material listed below. If not, please download it from myUnisa immediately (see below) and also contact the Department of ...

What is an unsigned type? - Answer a keyword to indicate only positive integers including zero If you set an unsigned type to a negative value, what happens? - Answer causes the value to underflow and wrap around to the max value of that data type When would you want to use an unsigned type? - Answer when you know a variable's number will always be positive What default values are assigned to your variables in C++? For example: int x; // what value does this have? - Answer no ...