AND

Abstract

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$$AB=A\times B=A\cap B=\{x\in U:x\in A\wedge x\in B\}$$

• Also known as Logical Product, intersection

Logic Gate Implementation

• Made of 2 Transistors (晶体管)

AND Bitmasking

• Extract a Subnet of Bit of the given input

     1 1 1 0 1 1 0 1     input
(&)  0 0 1 1 1 1 0 0      mask
------------------------------
     0 0 1 0 1 1 0 0    output

• The position of mask that is set to 1 extracts the bits of the given input

References

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• c - What is bit masking? - Stack Overflow