project 1

project 3

4*1 multiplexer

half adder

4*1 multiplexer

8*1 multiplexer

16*1 multiplexer

1*4 demultiplexer detail

1*8 Demultiplexer

1*4 demultiplxer

1*16 demultiplexer

decoder

2 to 4 decoder

3 to 8 decoder

4 to 16

encoder and 4 to 2 encoder

octal to binary encoder

full subractor

half subractor

full subractor

all gates

question 2

question 1

question 4

question 3

question 6

question 7

all gates

xor

full adder

xnor

project 2

Design and simulate a circuit for adding two 4-bit binary numbers using full adders in a digital logic simulator.