Cout and cin - Study guides, Class notes & Summaries
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NIU CSCI 240 Exam 1 Study Guide Questions And Answers Latest Updates
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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...
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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...
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C++ QUIZ QUESTIONS AND ANSWERS
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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 && ...
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CSCE 1337 Final Review Exam Questions With Correct Answers
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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 &&...
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CPP Quiz 2 Questions with Correct Answers
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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...
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COSC 1436 C++ Questions and Answers 2024
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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...
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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...
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C857 Test Questions and Answers(RATED A)
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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...
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COSC-1436 Programming Fundamentals Unit 1 Exam Questions and Answers | Latest Update | 2024/2025 | Graded A+
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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...
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COSC 1437 Quiz 3 (Test 1) Questions and answers, rated A+/LATEST UPDATES FOR 2024/ 2025 EXAMS PREDICTIONS/
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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...
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