What are several different types of software, which sit in the middle of and provide connectivity between two or more software applications?

a. Middleware

b. Enterprise application integration middlewear

c. Automated business process

d. Ebusiness infrastructure

The answer to the given question is the option "a".

Explanation:

In this question, the answer is "middleware" software because this software works between the operating system and the applications that provide connectivity to two or more software applications. for example database, application server, etc and other choices that are not correct can be described as:

In option b, The integration middle wear represents the software of the system. It does not coordinate between operating and application software. In option c, It is used to manage the data and the information for the process. In option d, It includes the hardware, software and the networks. In this hardware and software link for use software.

That's why the answer to this question is the option "a".