You can't even guarantee people with a CS degree know any of that stuff. In my experience, many of the people I've worked with that had CS dregrees had forgotten that stuff long ago, if they ever knew it.
The people answering on Quora are people who are interested in CS or else they wouldn't be on Quora answering the question. That interest is the reason they know that stuff, being taught it in college just made it easier for them.
The people answering on Quora are people who are interested in CS or else they wouldn't be on Quora answering the question. That interest is the reason they know that stuff, being taught it in college just made it easier for them.