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4. What is the human brain continuously processing when one person speaks?

a. Binary code b. Sound and language
c. Mathemati cal equati ons d. Visual sti muli

5. Which term describes the rules and arrangement of words in a language?
a. Semanti cs b. Syntax

c. Pragmati cs d. Phoneti cs
6. What is the purpose of Term Frequency in TFIDF?

a. Measure of the rareness of a term b. Identi fy the value of each word
c. Frequency of a word in one document d. Measure document frequency

7. What is the statistical measure used to identify the value for each word in TFIDF?
a. Term Frequency b. Inverse Document Frequency

c. Document Frequency d. Semanti c Weight
8. Which technique is used to convert text into a numeric form in NLP?

a. Opti cal Character Recogniti on b. Bag of Words
c. Speech Recogniti on d. Conversati onal User Interface
9. What is the primary application of TFIDF?

a. Extracti ng relevant informati on b. Detecti ng malware

c. Designing graphics d. Analysing stock market trends
B. Fill in the blanks.

1. AI-enabled Chatbots differ from traditional chatbots in their ability to learn from each
_______________.

2. The human brain continuously processes sound and _______________ when someone speaks.
3. The arrangement of words in a language is described by the term _______________.
4. TFIDF stands for _______________.

5. In TFIDF, the frequency of a word in one document is referred to as _______________ frequency.
6. Inverse Document Frequency (IDF) measures the _______________ of a term across multiple
documents.
7. Bag of Words is a technique used to convert text into a numeric _______________.
8. The statistical measure used to identify the importance of each word in TFIDF is Inverse
_______________ Frequency.
9. The primary application of TFIDF is extracting _______________ information from a document.
10. Semantic Weight is not a term associated with TFIDF; instead, the correct term is Inverse Document
_______________.

C. State ‘T’ for True or ‘F’ for False statements.
1. AI-enabled chatbots must be explicitly trained for every interaction.

2. The human brain processes sound continuously, even when someone is silent.
3. Syntax in language refers to understanding the meanings of words.

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