operations support system (OSS)

See OSS.

• J-4
• J-5
• jabber
• Jabber
• jack
• jack
• jacket
• jailbreak
• jamming signal
• Japanese Digital Cellular (JDC)
• Japanese Total Access Communications System (JTACS)
• Java Telephony Application Programming Interface (JTAPI)
• J-band
• JBOD (Just a Bunch Of Disks)
• J-carrier (Japanese-carrier)
• JDC (Japanese Digital Cellular)
• jitter
• J (Joule)
• Joan/Eleanor
• .jobs
• job security
• Joint Photographic Experts Group (JPEG)
• joule (J)
• JPEG (Joint Photographic Experts Group)
• JPEG (Joint Photographic Experts Group)