5.2 Numbering systems Flashcards
the most common numbering systems are
Decimal - base10
Binary - base2
Octal - base8
Hexadecimal - base16
decimal (base10) number system has its origin
from counting on the fingers
digit comes from the latin word digitus meaning finger
base is the number of different digits including zero in the number system e.g.
octal or base8 = 0 to 7
hexadecimal or base16 = 0 to F
the value of the largest digit of a numbering system is one less than the base
. the value of the smallest digit in the number system is zero
the standard shorthand from of writing numbers is known as the positional notation
.
the most common numbering system used in everyday life
decimal. the digit at the far right is called the least significant digit (LSD) and the digit at the far left is the most significant digit (MSD)
octal system is a shorthand method of
representing three- bit binary words
binary coded decimal
.