What locks access to a computer, typically requiring a password for entry?

The choice indicating a User/System Password is appropriate because it directly controls access to the operating system on a computer. This type of password must be entered upon startup or when the system is locked to gain entry to the user account or system functionality. It ensures that unauthorized users cannot access personal files and system settings.

In contrast, a Storage/Hard Drive Password, while also a password protection mechanism, specifically secures the hard drive itself rather than providing broader system access. The Boot Order refers to the sequence of devices a computer attempts to boot from and does not lock access to the computer. Secure Boot is a security standard designed to ensure that a device boots using only software that is trusted by the manufacturer, which serves to protect the system against malicious software but does not directly lock access in the same way as a user/system password does.