4 BIT Adder-Subtractor

FULL ADDER

4-BIT BINARY ADDER/SUBTRACTER

4 BIT Adder-Subtractor

4 bit parallel adder/subtractor

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FULL SUBTRACTOR CIRCUIT

FULL SUBTRACTOR CIRCUIT

Full-Subtractor

4X1 MULTIPLEXER

4X1 MULTIPLEXER

4 : 1 multiplexer

Universal Shift Register

Exp_6

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Exp_5

3-to-8 decoder with Enable

74LS138

8 : 1 Multiplexer

8 / 1 MUX

Multiplexer IC 74151

ES 6: Mux

4 ->1 multiplexer using 2->1 Multiplexers

Exp_4

Universal Shift Register

erg1

erg1

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Encoder, Decoder, and 7-Segment Controller

7400-series integrated circuits

2*4 Decoder

Half-subtractor

Full Subtractor-Using Half Subtractor

2x4 Decoder using Basic Gates

4 BIT UNIVERSAL SHIFT REGISTER

2 bit comparator

A synchronous Counter can count random number with 4,7,3,0,2