1.
Which of the following is considered middleware?
A. Atomicity
B. OLE
C. CORBA
D. Object-oriented programming
Solution
C. Common Object Request Broker Architecture (CORBA) is vendor-independent middleware.
Its purpose is to tie together different vendor products so that they can seamlessly work together
over distributed networks. Answer B is incorrect because Object Linking and Embedding (OLE)
is a proprietary system developed by Microsoft to allow applications to transfer and share
information. Answer A is incorrect because atomicity deals with the validity of database
transactions. Answer D is incorrect because object-oriented programming is a modular form of
programming.