LOGIC DESIGN I • LAB 3

Binary Addition Circuits

Build a Half Adder and a Full Adder, then predict and verify their Sum and Carry outputs.

PHASE 1

Build the adders

Half AdderChoose a component, then its highlighted board location.
Portrait breadboard with Half Adder chips installed

PHASE 2

Verify Sum and Carry

Predict Sum
Predict Carry
PHYSICAL ADDER STATION

Input LEDs respond immediately. Sum and Carry LEDs remain unrevealed until both predictions are made.

Half Adder truth table

PHASE 3

Practice and assessment

Practice remains locked

Complete the Half Adder and Full Adder tests first.