What does the idiom “tipped off his rocker” mean?

Idon't know which one from these two forms is correct! "he believed that the technology of the future would allow robots to do the same tasks as a human." or "he believed that the technology of the future would have allowed robots to do the same tasks as a human. , it's ! i need your !

According to the study what did john steinbeck do to prepare for his book the grapes of wrath

Write a narrative essay about a moment in your life when you were judged by something other than the content of your character. any narrative stories y’all have ? idk what to write