I think":

" Converting to bit promotes any nonzero value to 1" not greater than zero only Because

DECLARE @bit BIT

SET @bit = -14

IF @bit = 1PRINT 'yes'ELSE PRINT 'no'

is...

isnull function select the 1 whn @var is null or first time , second time @var=2 , n third time it will 3 n next so ans is...