However, upper back pain is most often due to muscle irritation or joint problems and is usually not a cause for concern. Upper back pain occurring with other symptoms, such as chest pain or difficulty breathing, may be a sign of a heart attack and should be immediately evaluated in an emergency setting.
(Small Computer System Interface) Pronounced scuzzy, SCSI is a hardware interface for up to 15 peripherals connected to one PCI or PCI Express card (SCSI host adapter) on the motherboard. Introduced in 1986 by Shugart Associates (see SASI), this original parallel architecture was largely replaced by a serial version (see serial attached SCSI).
The American National Standards Institute (ANSI, /ËÃ¦nsi/ AN-see) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States.[3] The organization also coordinates U.S. standards with international standards so that American products ...