Difference between IsNumeric and Bit in Sql Server?

Answer:

Isnumeric is Sql Server Function whereas Bit is a DataType in sql Server.Both returns 0 or 1 value.But Bit datatype has additional value called Null.

For IsNumeric 1 means supplied value is integer value and 0 means value is not a numeric value.
For Bit 1 means True and 0 means False.