True. At least that's how it is for camera's that print photos. Not digital cameras
Log in is the feature that allows you to access your electronic account in a website, database or other, also a bank account. Your username and password are stored in cookies (files that websites use and are stored in your browser) for the session. This is true if we talk about websites.
When you're done, you log out from your account, you disconnect. Cookies are cleared (for websites) and you're out.
You are required by law to stop twenty feet away from a school bus when driving.