ions. The
term may be qualified, e.g software reliability, reliable communication. [Computer and Information Sciences] 
n., The ability of a computer system to perform its required functions for a given period of time. It is often quoted in terms of]
percentage of uptime, but may be more usefully expressed as MTBF (mean time between failures). [Computer and Information
Sciences] 
n., The quality of being sufficiently accurate and authentic to serve as the basis for a decision or action; wort
hy of trust. [G