Twitter is a/an

AProgram

BMicro-blogging site ✓ Correct

COperating system

DNone of these

Correct answer: (B) Micro-blogging site

Explanation

Twitter is a micro-blogging website where users post and read short messages.

It is a web service accessed through a browser or app, not a standalone program in that sense.

An operating system manages computer hardware and software, which Twitter does not do.

Since it matches micro-blogging exactly, the none of these choice does not fit.

Micro-blogging limits each message to a short length to encourage quick sharing.

Twitter, now branded X, is widely used for news and public conversation.

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