Which of the following best defines a critical problem?

A problem that is recognized through human inquiry but is not recognized as problematic by the CPU $($central processing unit$)$ of a computer system

A challenge that requires a complex solution involving technological innovations and institutional or social change

Something that will result in the failure of the entire system if not fixed

An issue with a system or organization that makes it difficult for the interests of its member to be represented; when used to describe a technological system, "critical problem" refers to anything that makes it harder for users to benefit from the use of the technology