Number systems Flashcards
a byte is equal to
8 bits
number systems is also known as
computer language
bit stands for
binary digit
a ____ is equal to 4 bits
nibble
what are the four types of number systems?
binary
decimal
octal
hexadecimal
these are numbers understandable by humans
decimals
the 2 ways to shorten binary numbers?
octal and hexadecimal
purpose of number systems
hardware communication
error reduction
application needs (cryptography and DLD;COA)
binary to decimal
1x2^n
binary to octal
124
binary to hexadecimal
1248
the small number at the right is called
base
1=___ 0=____
on, off
number range for binary
2 [0,1]
number range for decimal
10 [0,9]
number range for octal
8 [0,7]
Number range for hexadecimal
16 [0,9]
A - 10
B - 11
C - 12
D - 13
E - 14
F - 15
decimal to binary
N/2 r.x
octal to decimal
Dx8^n
decimal to octal
N/8 r.x
decimal to hexa
N/16 r.x
octal to hexa
octal->binary->hexa
hexa to binary
pie method
hexa to octal
hexa->binary->octal
hexa to decimal
Dx16^n