Question: a) How is half adder different from full adder? Indicate the difference using truth table and the block diagram. b) Why is Multi-bit adder

a) How is half adder different from full adder? Indicate the difference using truth table and the block

a) How is half adder different from full adder? Indicate the difference using truth table and the block diagram. b) Why is Multi-bit adder called Ripple Adder? Show it using a block diagram of two inputs of 4 bits.

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