Original: Self-Monitoring , Analysis , and Reporting Technology , or S.M.A.R.T. ( sometimes written as SMART ) , is a monitoring system for computer hard disks to detect and report on various indicators of reliability , in the hope of anticipating failures .
Simplified: Self-Monitoring , Analysis , and Reporting Technology , or S.M.A.R.T. is a system to watch computer hard disks to help stop the risk of failures .