3851701
Descrição
Mapa Mental por Leanne Hey, atualizado more than 1 year ago
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Criado por Leanne Hey
mais de 8 anos atrás
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Binary: Another revision thing I have.
- Binary is a counting system for computers, it is made up of 0 and 1
- Binary is made up of 8 bits.
- 128 64 32 16 8 4 2 1
- These are easy to convert denary to.
- It can go up 1 more time to 255, before going to 256 with is 9 bit.
- These are easy to convert denary to.
- 128 64 32 16 8 4 2 1
- Binary is made up of 8 bits.
- Computers use binary so that they can
store data and make everything on
your screen work
- In binary you can also
convert denary numbers
- For example, 7 is 0111
- Binary is also used to also add things
- Binary is also used to also add things
- For example, 7 is 0111
- Another thing people use is Hex. Which is
easier to use to convert Denary
- Hex is made up of
123456789ABCDEF
- Hex is made up of
123456789ABCDEF
- Adding and subtracting Binary.
- There are some rules, like adding denary, you have to
carry if it is not a valid number
- For example. If it was 1+1, you would
have to carry 1 and make it a 0.
- For example. If it was 1+1, you would
have to carry 1 and make it a 0.
- It's the same with subtracting. If
there are two 0 wanting to be
subtracted, you have to carry one
from another number
- There are some rules, like adding denary, you have to
carry if it is not a valid number
- Converting binary to denary.
- If the number was 00010100 then you would look at the ones,
and add them to the 8 bit number it goes with so the answer would be 20.
- Converting denary to binary
- If the denary number was 9, you would have to add it up using
the 8 bit system. So the answer would 0000 1001 or to shorten it
because there is nothing in the first 4 digits, it can just be 1001
- If the denary number was 9, you would have to add it up using
the 8 bit system. So the answer would 0000 1001 or to shorten it
because there is nothing in the first 4 digits, it can just be 1001
- If the number was 00010100 then you would look at the ones,
and add them to the 8 bit number it goes with so the answer would be 20.
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