First Quiz

What is the correct syntax for declaring a variable in C++?

• a) int x;

• b) x = 5;

• c) variable x;

• d) declare x;

In C++, which stream is used for standard output?

• a) cin

• b) cout

• c) cerr

• d) clog

How do you read input from the user in C++?

• a) input()

• b) scan()

• c) cin

• d) read()

What is the purpose of the "if" statement in C++?

• a) Looping

• b) Decision making

• c) Function declaration

• d) Variable initialization

What does the "else" statement do in C++?

• a) Starts a new block of code

• b) Defines a function

• c) Executes when the "if" condition is false

• d) Terminates the program

How is the ternary operator written in C++?

• a) ? :

• b) &&

• c) ||

• d) //

In C++, what is the purpose of nested if-else statements?

• a) Increase code readability

• b) Perform multiple checks sequentially

• c) Avoid syntax errors

• d) Improve program performance

What is the correct syntax for post incrementing a variable in C++ using the counter ?

• a) i + 1;

• b) i++;

• c) ++i;

• d) i = i+;

Which data type is used to store whole numbers in C++?

• a) float

• b) double

• c) int

• d) char

What is the precedence of the ternary operator in C++?

• a) Highest

• b) Moderate

• c) Lowest

• d) No precedence