____ is a markup language introduced in 1980 that describes the structure and content of documents or of any type of information that is readable by machines.

Suppose you have a generic algorithm that requires forward iterators. Can I use it with a vector or a list even though these iterators are random access and bidirectional iterators respectively? Explain.

What will be an ideal response?

Give an example where immediate constraint checking is undesirable in a transaction processing application.

What will be an ideal response?