It should be true, hopefully I’m right
Linear search
You implement this algorithm by iterating over each item, and checking if the item matches what you are searching for.
It is linear because it takes a linear amount of time to search for an item.
I've never seen that third syntax. If it's legit, it probably does the same as I and II, which are the same.
Because its a old type of software and probably wont run on your computer