COMPUTER SCIENCE AND ENGINEERING
SOFTWARE ENGINEERING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
New Systems
|
|
|
Old Systems
|
|
|
Under-Developed Systems
|
|
|
None of the above mentioned
|
Detailed explanation-1: -In computing, a legacy system is an old method, technology, computer system, or application program, “of, relating to, or being a previous or outdated computer system", yet still in use. Often referencing a system as “legacy” means that it paved the way for the standards that would follow it.
Detailed explanation-2: -A legacy system is outdated computing software and/or hardware that is still in use. The system still meets the needs it was originally designed for, but doesn’t allow for growth. What a legacy system does now for the company is all it will ever do.
Detailed explanation-3: -A legacy system is also known as a legacy platform.
Detailed explanation-4: -Why do legacy systems still exist? Simply because they are hard to replace, especially if they power important business processes in an organization. The risk of changing the status quo may be too high if you take into account the possibility of key data getting lost or corrupted.
Detailed explanation-5: -Greenfield. A greenfield project is a project without any requirement of compatibility with legacy systems. The allusion is to a field of green grass on which nothing has been built.