If we measure qubit a[0)+B 1 in the computational basis 10),|1), then outcome“0” 0)+B|1) occurs with prob lal, and outcome 1"occurs with prob 1B12 The system becomes 0)if outcome“ 0 occurs,and A quantum bit becomes|l) f outcome“1” (qubit occurs The system collapses• If we measure qubit 𝛼 0 + 𝛽 1 in the computational basis 0 , 1 , then outcome “0” occurs with prob. 𝛼 2 , and outcome “1” occurs with prob. 𝛽 2 . • The system becomes 0 if outcome “0” occurs, and becomes 1 if outcome “1” occurs. – The system collapses. A quantum bit (qubit) 𝛼 0 + 𝛽 1 0 1