9474964
Description
Mind Map by Naimah Bowen, updated more than 1 year ago
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Created by Naimah Bowen
over 7 years ago
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Hexadecimal
- Why is Hexadecimal used?
- Because of our human limitations
- We can't memorise large binary values
- We would probably mess up
- We would probably mess up
- But computers have limitations too
- They only understand binary not hex
- so computers have to be programmed
to be able to convert hex to binary
- so computers have to be programmed
to be able to convert hex to binary
- They only understand binary not hex
- We can't memorise large binary values
- Simplified to hex notations
- less space for mistakes
- less space for mistakes
- In short, it is easier for us to understand!
- Because of our human limitations
- How to convert between Hex and binary
- to convert:
- Make a table
- In hex the values go up by powers of 16
- 4096 --- 256 --- 16 --- 1
- Put the hex values into the table
- Then multiply
- Then multiply
- 4096 --- 256 --- 16 --- 1
- In hex the values go up by powers of 16
- hex to denary
- Make a table
- Why?
- Converting is very important
- Since a computer can't understand hex
- Since a computer can't understand hex
- Converting is very important
- to convert:
- A bit about hex
- a base 16 number system
- 0 - 15
- A - F
- 0 - 15
- Used simply for human benefit
- Computers don't use it
- easy to convert
- a base 16 number system
- Hex figures
- A - 10
- D - 13
- 2
- 2
- 3
- D - 13
- B - 11
- 7
- 8
- 9
- 9
- 8
- 7
- C - 12
- E - 14
- 5
- 5
- 6
- E - 14
- F - 15
- 4
- 4
- 0 - 9
- 1
- A - 10
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