Explanation:

IBM is a globally renowned multinational technology and consulting company. The acronym IBM stands for "International Business Machines Corporation." Therefore, option (b) "International business machine" accurately represents the full form and meaning of IBM. Option (a) "Indian business machine," (c) "International banking machine," and (d) "International business model" are incorrect interpretations of the acronym and do not correspond to the company's official name or primary business. Option (e) is incorrect as (b) is indeed the correct meaning.