Explain 4-bit Adder-subtractor With Diagram

Vhdl code for 4-bit adder / subtractor Adder subtractor bit circuit carry ripple four logic add truth control line sub overflow diagram complement detection addition table designing Design a 4-bit adder/subtractor circuit with add/sub control line

Design a 4-bit adder/subtractor circuit with add/sub control line

Adder subtractor bit vhdl code logic

Design a 4-bit adder/subtractor circuit with add/sub control line

VHDL Code for 4-bit Adder / Subtractor