Which of the following functions is a new logical function introduced in SQL Server 2012?

IIF() is introduced in SQL Server 2012. It returns one of two values, depending on whether the Boolean expression evaluates to true or false.

Example:
DECLARE @FirstArg INT = 100
DECLARE @SecondArg INT = 200
SELECT IIF ( @FirstArg > @SecondArg , 'TRUE', 'FALSE' )
AS [Output]
GO

OUTPUT:
FALSE