Binary and hexadecimal

Description

Mind Map on Binary and hexadecimal, created by Chubbyleenee jags on 11/10/2017.
Chubbyleenee jags
Mind Map by Chubbyleenee jags, updated more than 1 year ago
Chubbyleenee jags
Created by Chubbyleenee jags almost 7 years ago
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Resource summary

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