I (disambiguation)

I is the ninth letter of the Latin alphabet.

I or i may also refer to:

LanguageEdit

Science, technology, and mathematicsEdit

BiologyEdit

ChemistryEdit

ComputingEdit

  • i, a common generic index variable often used in program loops
  • <i>, an HTML element for marking italic type
  • .i, the common filename extension for a file that contains the output from a preprocessor
  • i-, a prefix for Apple products e.g. iMac, iPod, iPhone
  • i-, an Internet-related prefix used by Internet and electronic companies

MathematicsEdit

Physics and astronomyEdit

TelecommunicationEdit

  • I band (NATO), the range of radio frequencies from 8 GHz to 10 GHz in the electromagnetic spectrum
  • I, the ITU prefix allocated to Italy in radio communication
  • I, in QAM modulation schemes, the in-phase communications channel

Other uses in technologyEdit

  • i, a suffix unit for video resolution (vertical Interlaced lines), as in 480i or 1080i
  • I, in the YIQ colorspace commonly used with the NTSC television encoding scheme, the color-difference channel which is in-phase with the subcarrier

Arts and mediaEdit

MusicEdit

AlbumsEdit

SongsEdit

Other mediaEdit

MythologyEdit

  • Goddess I, a Mayan deity
  • Hou-i, or I, a heroic archer and hunter in Chinese mythology

VehiclesEdit

Other usesEdit

See alsoEdit