Indefinite articles with acronyms

Last Updated : Feb 27, 2024 |

You pronounce some acronyms as a series of letters and others as a word. Use a or an based on how you pronounce the acronym.

Acronyms that you pronounce as a series of letters

Acronyms that you pronounce as a word

  • An LED

  • A USB port

  • An IP address

  • A URL

  • An FAQ

  • An ANSI character set

  • An ISO requirement

  • A SCSI device

  • A DOS prompt

  • An MPEG file