Cout and cin - Study guides, Class notes & Summaries

cin >> i; - ️️The code above states that there will be a value inputed (allows the user to input a value)/ associated with i later on. For example it could be used in a way such as i++, if the input value of i is 1 the ++ will incrementally increase i by 1 thus making i 2. assuming that C and F are both declared as doubles, and F has a valid value. - ️️What's wrong with it is you're always going to get 0 because it is integer division and 5 does not go into 9 evenly. Yo...

Terms in this set (20) Which of the following statements is true? C++ is an extension of the C programming language. 3 multiple choice options Given the C++ code below, what needs to be added for it to compile and run? int main() { string name; cin >> name; cout << "Hello " << name << endl; } #include <iostream> #include <string> using namespace std; 3 multiple choice options Consider the C++ class definition below. Which of the fol...

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 && ...

CSCE 1337 Final Review Exam Questions With Correct Answers. Is it legal to declare more than one variable in a single statement? - AnswerTrue What is the value of x after the following statements? int x; x = 15 % 4; - Answer3 In the following code fragment, x has the value of 3. int x = 3; - AnswerTrue The body of a while loop may never execute - AnswerTrue The integer 0 is considered true. - AnswerFalse Variable names may begin with a number. - AnswerFalse The opposite of (x >3 &&...

CPP Quiz 2 Questions with Correct Answers Which of the following is a valid identifier? - Answer-Three_com Which of the following is not a valid identifier? - Answer-Return What is the value of x after the following statements? int x, y, z; y = 10; z = 3; x = y * z + 3; - Answer-33 What is the value of x after the following statements? int x; x = 0; x = x + 30; - Answer-30 Which of the following lines correctly reads a value from the keyboard and stores...

Given an integer variable strawsOnCamel, write a statement that uses the auto-increment operator to increase the value of that variable by 1. - strawsOnCamel++; Given an integer variable timer, write a statement that uses the auto-decrement operator to decrease the value of that variable by 1. - timer--; Consider this code: "int v = 20; --v; cout << v++;". What value is printed, what value is v left with? - 19 is printed, v ends up with 20 Consider this code: "int s = 20; int t...

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...

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...

COSC-1436 Programming Fundamentals Unit 1 Exam Questions and Answers | Latest Update | 2024/2025 | Graded A+ ___________ are used to translate each source code instruction into the appropriate machine language instruction. Compilers ___________ represent storage locations in the computer's memory. Variables A set of well-define steps for performing a task or solving a problem is known as a(n): Algorithm A statement that starts with a # symbols is called a: Preprocessor directive...

COSC 1437 Quiz 3 (Test 1) Questions and answers, rated A+ In ____ structures, the computer repeats particular statements a certain number of times depending on some condition - -looping What is the output of the following C++ code? num = 10; while (num > 10) num = num - 2; cout << num << endl; - -10 Consider the following code. int limit; int reps = 0; cin >> limit; while (reps < limit) { cin >> entry; triple = entry * 3; cout << triple; re...