28 Questions
What is the result of the expression $i=i+1$ in the C++ programming language?
$i$ is incremented by 1
What is the equivalent postfix expression for $++d$ in C++?
$d++$
When using the prefix increment operator in C++, what is the sequence of operations?
Increment, then use the value
Which of the following is the correct decrement operator in C++?
$d--$
What happens when the prefix increment operator is used in an expression in C++?
The value is incremented after being used in the expression
Which operator is used for postfix decrement in C++?
$--d$
What is the value of the breakpoint in the switch statement for the given code?
10
What is the purpose of the break statement in the given code?
To exit from a switch statement
What is the significance of Exp1, Exp2, and Exp3 in the context of the given code?
They are logical expressions used for case comparisons
What is the role of the default case in a switch statement?
It specifies the action to be taken when no case matches
In C++, what is the use of a semicolon after the break statement in a switch case?
It has no specific use and is optional
What is the significance of the const 1, const2, and const3 in the given code?
They are predefined constants used as case labels
What does the keyword exp represent in the given code?
A variable holding a boolean value for case evaluation
c++ is commonly associated with which type of programming language?
Object-oriented programming (OOP)
In C++, what is the purpose of case const1: case const2: case const3: stat; break;?
stat will be executed sequentially for each of const1, const2, and const3
Exp1. Exp2 : Exp3 represents what kind of expression in C++?
Comparison expression with multiple conditions
What is the purpose of a postfix operator?
To apply the operation after the variable
What does the expression $++(x+1)$ evaluate to?
$x+3$
In the context of the given text, what does the symbol '++' represent?
Increment by 1
If $a = 5$ and $c = 10$, what is the value of $(x*5)--$?
$5x-4$
What is the result of $--x - y$ when $x=3$ and $y=4$?
$2 - 4$
In programming, what does the 'if' statement do?
Performs a comparison and executes a block of code if the condition is true
What is the purpose of the 'switch' statement in programming?
To handle multiple possible conditions for a single variable
What does the 'else' statement do in programming?
Executes a block of code if the 'if' condition is false
If $a = 5$, what does $c++$ mean in programming?
$c=c+1$
In the context of programming, what does the 'break' statement do?
Ends the current loop or switch statement and transfers control to the next statement
$3 + + + + 3$ is equivalent to:
6
What will be the output if a variable z is defined as z = x + y-- ?
z = x + y - 1
Test your knowledge of C++ operators and expressions with this quiz. Questions cover topics like increment and decrement operators, prefix and postfix notations, and the evaluation of expressions.
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