JTAG

hardware

Joint Test Action Group — an industry-standard interface for testing and debugging printed circuit boards and microprocessors

Pronunciation

Correct

JAY-tag

/ˈdʒeɪtæɡ/

Pronounced as a single word: 'jay' for the J, then 'tag'. Named after the industry group that created it.

Source: www.jtag.com(official spec)

Accepted Variant

J-T-A-G

/dʒeɪ tiː eɪ dʒiː/

Some engineers spell it out as an initialism, though 'JAY-tag' is by far the more common pronunciation.