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21785778
C++ Quiz 1
Description
control io, namespaces & data types.
No tags specified
computer science
Quiz by
Oscar Rojas
, updated more than 1 year ago
More
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Created by
Oscar Rojas
almost 5 years ago
1
0
0
Resource summary
Question 1
Question
Check all that are valid declarations:
Answer
long n = 100;
int a = 25
double {0.07};
unsigned __int16 = -69;
unsigned long double = 4.444;
Question 2
Question
What will the following code return: #include <iostream> int main() { __int16 t = 1400; std::cout << t + sizeof(t); }
Answer
1402
1416
1432
Question 3
Question
Which of the following may not be of type void?
Answer
Objects
Arrays
Functions
References
Question 4
Question
The range of values that a 32 bit int can hold are from [+/- [blank_start]2,147,000,000[blank_end]]
Answer
32,768
1,200,000,000
2,147,000,000
9,000,000,000
Question 5
Question
List the Floating Point types from least to greatest: [blank_start]float, long double, double[blank_end]
Answer
double, long double, float
long double, double, float
double, float, long double
float, double, long double
Question 6
Question
Debug the following code: #include <iostream> #include <string> // Allows use of strings // [blank_start]missing namespaces[blank_end] int main() { std::string n; // [blank_start]Debug[blank_end] int num // [blank_start]Debug[blank_end] std::cout<<"Enter a #"<< std::endl; // [blank_start]Debug[blank_end] std::getline(cin, n); // [blank_start]Debug[blank_end] [blank_start]function[blank_end] >> num; } For lines w/o mistakes return 0
Answer
#include <sstream>
0
int num;
0
std::getline(std::cin, n);
std::stringstream n
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