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Sidharth999
Answer is Xero. All the other Languages are Popular and Widely Used.
Thank You!

The computer programming  language i.e. not popular is Xero.

The following are the popular computer programming  language:

  • C++
  • C#
  • Java

The computer programming  language is the language that is applying for writing the programs.

Therefore we can conclude that the computer programming  language i.e. not popular is Xero.

Learn more about the computer here: brainly.com/question/24504878