Simplify the following text for a Grade 10 native English-speaking person.
Original: A function is said to satisfy the strict avalanche criterion if , whenever a single input bit is complemented , each of the output bits should change with a probability of one half .
Simplified: The strict avalanche criterion ( SAC ) is a generalization of the avalanche effect . It is satisfied if , whenever a single input bit is complemented , each of the output bits changes with a 50 % probability .