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1. What is the main difference between natural languages
and artificial languages?
a) Natural languages are spoken by humans, while artificial
languages are created by computers.
b) Natural languages are based on rules, while artificial
languages are based on symbols.
c) Natural languages are ambiguous and contextdependent, while artificial languages are precise and
unambiguous.*
d) Natural languages are learned through exposure, while
artificial languages are learned through instruction.
Rationale: Natural languages are the languages that humans
use to communicate with each other, such as English,
Chinese, or Arabic. Artificial languages are the languages
that humans create for specific purposes, such as
programming, logic, or mathematics. Natural languages
have many features that make them flexible and expressive,
but also vague and ambiguous. Artificial languages have
many features that make them clear and exact, but also
rigid and limited.
2. What is the main challenge of natural language
processing (NLP)?
a) To design algorithms that can understand and generate
natural language.*
b) To create databases that can store and retrieve natural
language data.
c) To develop standards that can regulate and evaluate
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