16 Questions
What is a variable in C++?
A name used to refer to computer storage locations
What is the purpose of a regular variable in C++?
To store a value that can change or vary
How is a constant variable different from a regular variable in C++?
Constant variables have fixed values that cannot be changed
What does the '==' operator represent in C++?
Relational/comparison operator
In C++, what are reserved words?
Words that must be used only for their specified purpose
What are local variables in C++?
Variables that are declared inside a function or block
Where are global variables declared?
Outside all the function blocks
What happens if a global variable is not initialized?
It takes zero by default
Where are local variables stored in memory?
Stack
How long does a local variable exist in a program?
Until the end of the function in which it is declared
Which operator is used for division in C++?
'/'
What does the logical NOT operator '!' do in C++?
Negates the value of an expression
Which data type stores fractional numbers containing 15 decimal digits in C++?
'double'
How do you read input from the user in C++?
Using '<<' operator with 'cin'
What does the assignment operator '+=' do in C++?
Performs addition assignment
In C++, which data type stores true or false values?
'bool'
Test your knowledge about variable declaration in C++. Learn about regular variables, constant variables, and their importance in programming.
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