C++ Operators Quiz

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What is the correct syntax to increment a variable in C++?

i += 1 (correct)

i = i-1

i -= 1

i = i+1

Which of the following represents a postfix operation in C++?

d--

d++ (correct)

--d

++d

In C++, which operation is used for decrementing a variable by 1?

i = i-1 (correct)

i = i+1

i += 1

i -= 1

What does the 'prefix' operation do to a variable in C++?

Increments the variable before evaluation Signup and view all the answers

Which syntax correctly decrements a variable in C++?

d-- Signup and view all the answers

What is the result of the expression 'i -= 1' in C++?

Decrementing the variable by 1 Signup and view all the answers

In postfix notation, what is the result of evaluating $5(7 + 3)$?

50 Signup and view all the answers

What is the value of $x$ in the expression $x+ +$, according to the given context?

4 Signup and view all the answers

What is the value of $z$ if $z = --x - y$ and $x = 3, y = 4$?

1 Signup and view all the answers

What does the keyword 'if' represent in programming?

A conditional statement Signup and view all the answers

In programming, what is the purpose of the 'else' keyword?

To indicate an alternate execution path in a conditional statement Signup and view all the answers

In programming, what does the 'switch' statement do?

It provides an alternative for if-else statements Signup and view all the answers

In the given context, what is being tested?

Switch statement in C++ Signup and view all the answers

What does 'case const 1: case const2 :case const3: stat; break' represent in the context?

A switch case with multiple constant values Signup and view all the answers

Which element of the given code terminates the execution of the switch statement?

break Signup and view all the answers

What is the purpose of 'default: stat' in the provided code?

To handle any unmatching cases in the switch statement Signup and view all the answers

What is 'Exp1. Exp2 : Exp3' referred to as in C++?

Conditional operator Signup and view all the answers

What does 'switch(exp' indicate in C++?

Beginning a switch statement Signup and view all the answers

What does 'آﺧﺮ ﻟﻠﺘﻌﻠﻴﻤﺔ ‪:switch' mean in English?

Switch statement label Signup and view all the answers

What is the significance of 'exp1‬‬ ‫{‬ ‫;‪case const 1: case const2 :case const3: stat; break' in a switch statement?

Setting conditions for switch cases Signup and view all the answers

What is the primary purpose of the code snippet provided?

Handling different cases based on a condition Signup and view all the answers