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Unsolved Questions
SECTION A (Objective Type Questions)
uiz
A. Tick ( ) the correct option.
1. What does lexicon refer to in language?
a. The set of rules for sentence structure
b. The collection of all sounds in a language
c. The complete set of words and their meanings
d. The understanding of word context
2. What does AI enable machines to do in NLP?
a. To recognise images
b. To handle complex language, including semantics (meanings), context, and structure
c. To make decisions based on data
d. To create new languages
3. What can personal assistant applications like Siri and Alexa do?
a. Only play music
b. Only send messages
c. Perform a variety of tasks such as setting alarms, playing music, and booking appointments
d. Perform complex calculations
4. When a system rejects a phrase like “cruel kindness” because it doesn’t make sense, which NLP stage is being applied?
a. Pragmatic Analysis b. Syntactic Analysis
c. Semantic Analysis d. Sentiment Analysis
5. In which NLP stage is real-world knowledge applied to understand the actual meaning of a sentence?
a. Pragmatic Analysis b. Syntactic Analysis
c. Lexical Analysis d. Sentiment Analysis
6. What does TFIDF stand for?
a. Total Frequency and Inverse Document Factor
b. Term Frequency and Inverse Document Frequency
c. Text Frequency and Inverse Data Frequency
d. Time Frequency and Inverse Data Frequency
7. Which step in text processing creates a list of all unique words in the normalised corpus?
a. Text Normalisation b. Stemming
c. Create Dictionary d. Create Document Vectors
8. Which term refers to the number of documents in which a specific word appears, irrespective of how many times it
occurs in those documents?
a. Word Frequency b. Term Frequency
c. Document Frequency d. Inverse Document Frequency
B. Fill in the blanks.
1. Chat means ………………………. while bot means ………………………..
258 Artificial Intelligence Play (Ver 1.0)-X

