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A hooked stroke above a dot, marking a question.
Also known as: Interrogation point, Query symbol
The question mark ends an interrogative sentence. Its shape is usually explained as a contraction of the Latin quaestio, though that derivation is contested.
Marks a sentence as a question in most languages using the Latin alphabet.
Contexts: Software
Is used alone to indicate confusion or a request for clarification in informal writing.
Contexts: Software
Is inverted and placed at the start of a question in Spanish, in addition to the closing mark.
Contexts: Software
A curved hook opening to the left, descending to a short vertical stem, with a separate dot beneath it.
The question mark is the punctuation; the ternary operator is one of the jobs programming languages give it.