Legacy systems can be described as all of the following except? Usually found on a mainframe. Old systems that often require hard-to-use command languages. Systems that most often have detailed information that can be accessed by a system at a higher tier. A system that often holds the middle tier of a multiple-tier system. A system that is already in place, from the past.

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A legacy system refers to outdated infrastructure, applications, and processes, "a system that often holds the middle tier of a multiple-tier system" is not a characteristic of this system.

What is a legacy system?

It describes software or IT systems that have been around for a long time and that, from a technological point of view, should be replaced by a more modern version.

A legacy system has often been used for a long time and is no longer technologically up to date, however these old applications are still used for various reasons, for example because they form the basis of newer software.

Therefore, we can conclude that legacy systems are those computer systems that have become outdated but are still used by companies, "a system that often holds the middle tier of a multiple-tier system" is not a characteristic of this system.

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