Stands for "Self-Monitoring Analysis And Reporting Technology." It is used to protect and prevent errors in hard drives. The SMART technology basically monitors and analyzes hard drives (hence the name), then checks the health of your hard drive and lets you know if there are any problems. The main purpose of SMART is to keep your hard drive running smoothly and prevent it from crashing.
This page contains a technical definition of SMART. It explains in computing terminology what SMART means and is one of many hardware terms in the TechTerms dictionary.
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