20 Questions
What operator is used to add together two values?
Which keyword is used to store either True or False?
bool
What function is used to read a string or a line from an input stream?
getLine
Which function returns the length of the given wide string?
wcslen()
Which keyword is used to store a sequence of letters or other characters?
string
What is the operator used to decrease the value of a variable by 1?
--x
Which keyword is used to store whole numbers without decimals?
int
What is the function used to get the size of various data types?
sizeof()
What is used to set the decimal precision to be used to format floating point values on output operations?
setprecision()
Which keyword is used to store fractional numbers containing one or more decimals?
float
What is the typical bit width of a double variable?
8 bytes
When should the setprecision() function be used in the source code?
After the namespace std;
What is the purpose of the getline() function?
To read a line of text from an input stream and store it in a string variable
What does the void keyword indicate when used as a function return type?
The function doesn't return a value
What is the purpose of the putback function in C++?
To put a character back into the input stream
What does the array indexing start at in C++?
0
What is the purpose of the peek function in C++?
To read the next character from the input stream only
Which keyword specifies that a function takes no parameters?
void
What does unsigned int represent in C++?
Integer value that can only be positive
What is the maximum and minimum value that can be stored in a long double variable?
-1.7 x 10^308 to 1.7 x 10^308
Test your knowledge on operators, including addition, subtraction, multiplication, division, modulus, increment, and decrement, as well as primitive data types and arrays. This quiz covers the basic concepts and examples of using these operators and data types.
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