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1.4 (Logic gates (AND (Has to be both 1s), NOT (Flips a 1 to a 0 and a 0…

- - - - Implementing Undo Button
      - Dealing with Browser Cache
      - Helping with OS job queues
  - - - Navigation system
      - Data Transmission
      - Web page links
      - social media trends
  - - - Last in First out (LIFO)
      - push - adds to stack
      - pop - takes from stack
    - - First in First out (FIFO)
      - Things are added at the tail pointer
        
        And removed at the head pointer
- - - - One piece of binary data is called a bit
      - 4 bits of data is called a nibble
      - 8 bits or to nibbles is called a Byte
  - - - Twos compliment
        
        Keep the same until the first 1 and then flip the 1s for 0s and the 0s for 1s
      - Sign and magnitude
        
        Make the largest bit a positive or negative operation 1 is negative 0 is positivite
- - - - change the exponent to correct number
- - - - Work out the nibbles denary value
        
        0=0 1=1 2=2 3=3 4=4 5=5 6=6 7=7 8=8 9=9 10=A 11=B 12=C 13=D 14=E 15=F