Write the vhdl code for a 2-bit subtractor

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1. Write the VHDL code for an 8-bit two's complement adder=subtractor circuit, which functions as an adder when a select input x is set at logic 0, and as a subtrator when x is set at logic 1.

2. Write the VHDL code for a 2-bit subtractor.

Reference no: EM131359687

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