What does CD-ROM mean? CD-ROM, compact disc read-only memory (noun) a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user
The average life, also referred to as the âweighted average lifeâ or âweighted average maturityâ or âWAM,â is a reflection of the rapidity with which the principal of an issue is expected to be paid.
Longevity and life expectancy are not synonyms. Life expectancy is defined statistically as the average number of years remaining for an individual or a group of people at a given age. Longevity refers to the characteristics of the relatively long life span of some members of a population.t a given age, life expectancy is the average number of years that is likely to be lived by a group of individuals (of age x) exposed to the same mortality conditions until they die.