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10827911
Binary and hexadecimal
Description
Mind Map on Binary and hexadecimal, created by Chubbyleenee jags on 11/10/2017.
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Mind Map by
Chubbyleenee jags
, updated more than 1 year ago
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Created by
Chubbyleenee jags
almost 7 years ago
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Resource summary
Binary and hexadecimal
Binary
Base 2 (0,1)
Denary
Base 10 (0-9)
Hexadecimal
Base 16 (0-9, A-F)
Character set- a defined list of characters recognised by the computer hardware and software
Bits
1 bit-bit
4 bits-nibble
2 bits-crumb
8 bits-byte
FACTS
255 is the largest numerical value which can be stored using 8 bits.
0 is the smallest numerical value which can be stored using 8 bits
256 different values can be stored using 8 bits.
Calculations
Binary to hexadecimal
starting from RIGHT, group digits in fours, replace each group with a single digit
Hexadecimal to binary
replace each digit with a four bit binary number, e.g. 2 ==> 0010
Denary to hexadecimal
example: 200=>divide by 16, 12 remainder 8, 12 as hex=C and 8 as 8 ==>C8
Denary to binary
Binary to Denary
Hexadecimal to Denary
Binary Addition (rules)
0+0=0
0+1=1
1+0=1
1+1=10
1+1+1=10
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