1-62Q110.SUMMARYNow that you’ve completed this chapter, you should have a basic understanding of number systems.The number systems that were dealt with are used extensively in the microprocessor and computer fields.The following is a summary of the emphasized terms and points found in the "Number Systems" chapter.The UNIT represents a single object.A NUMBER is a symbol used to represent one or more units.The RADIX is the base of a positional number system. It is equal to the number of symbols used inthat number system.A POSITIONAL NOTATION is a system in which the value or magnitude of a number is definednot only by its digits or symbol value, but also by its position. Each position represents a power of theradix, or base, and is ranked in ascending or descending order.The MOST SIGNIFICANT DIGIT (MSD) is a digit within a number (whole or fractional) that hasthe largest effect (weighing power) on that number.The LEAST SIGNIFICANT DIGIT (LSD) is a digit within a number (whole or fractional) that hasthe least effect (weighting power) on that number.