Computer Science is not present in the list, however it's nested within the highest Tech category "Technology & Programming" so would have fit there perfectly. Technology & Programming

Computer Software (Technology & Programming) or Technology & Programming.

Your prompt is missing the actual content to analyze. It only contains a comment with "system". However, assuming the missing content contains a topic related to computer systems or programming, I'd select: Technology & Programming If the content is more about defense or protection from hacking, I'd select: Ethical Hacking & Cybersecurity

Computer Programming & IT / Technology & Programming

Computer programming and chat platforms suggest category "Technology & Programming" fits.

However, I need to analyze the title of the entity first. Since the title of the entity is not provided, I'll make an educated guess. If the entity's title was related to computer programming, I would choose: Technology & Programming

Computer Programming

Technology & Computer Programming

Computer application software is not provided, however, a search of Telegram's title reveals it to be a cross-platform messaging app. The most relevant category for this information would be " Technology & Programming"

Computer Science/Information Technology (which is a synonym for Technology & Programming)

Computer Programming

Keyboard and Computer Science Examination System (KCSE) does not appear to be a "Technology & Programming", which is still a plausible category.