fault tolerance definition

fault tolerance means the ability of a computer system, after any malfunction of any of its hardware or software components, to continue to operate without human intervention, at a given level of service that provides: continuity of operation, data integrity and recovery of service within a given time;
fault tolerance. (Category 4) means the capability of a computer system, after any malfunction of any of its hardware or “software” components, to continue to operate without human intervention, at a given level of service