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Which part of a file name helps identify its type?

Answer and explanation

Correct answer: File extension

The governing concept is the file extension. It is the part after the final dot in a file name, such as .pdf in report.pdf or .jpg in photo.jpg. The extension commonly indicates the file format and helps the operating system select a suitable application. Thus, option B is correct. The first letter does not define the type, while a folder name and user name describe location or ownership rather than format.

Related tags

File ExtensionFile TypeFile ManagementOperating SystemUsing An Operating System And File ManagementIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial Intelligence

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