Side effects vs Adverse effects. Side effects and adverse effects are both experienced by people in the healthcare field. Often the words are interchanged or used instead of the other, but wrongly so. There is ample difference in the meaning of both words.
Also found in: Wikipedia. system unit. An individual card, section of tape, or the like, which is manipulated during operation of the system; class 1 systems have one unit per document; class 2 systems have one unit per vocabulary term or concept. case.
computer memory unit - a unit for measuring computer memory. block - (computer science) a sector or group of sectors that function as the smallest data unit permitted; since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably.