<br/><img src="https://media.cheggcdn.com/media%2F35f%2F35f53f69-79fd-4cff-8c74-f1dbd6dc3429%2Fimage.png" alt="4. In the context of A5/1 stream cipher, how often in average all the three registers shift?" aria-describedby="d3f"/>4. In the context of A5/1 stream cipher, how often in