Full Subtractor

4 Bit Adder-Subtractor

Flip Flops

Flip Flops

SISO

4 bit adder

4 Bit Adder-Subtractor

4 Bit Adder

Common bus using multiplexers

Flip Flops

Buffers

4 Bit Adder

4 Bit Adder-Subtractor

4 Bit BCD Adder

Full Subtractor

4 Bit BCD Adder

4 Bit Adder-Subtractor

4 Bit Adder

4 Bit Adder

Half Subtractor Circuit

Counters

4-Bit Synchronous Decade Counter

4 Bit Adder

Memory Design

Full Adder

Flip Flops

4-Bit BCD Adder

4 BIT ALU

4 BIT ALU