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• Autocomplete in Search Engines: Search engines like Google search tend to guess what
users are typing and automatically complete their sentences. All these suggestions are
provided using autocomplete that uses NLP to guess what users want to ask. Search engines

use their enormous data sets to analyse what users are typing when they enter particular
words and suggest the most common possibilities.
• Email Classification and Filtering: Email services like Gmail use NLP to identify whether
an email is spam (unwanted) or useful. This ensures that you do not have to be bothered too
much by promotional emails.

Flashback Time

¨ Artificial intelligence (Al) is a field of study in computer science that aims to create intelligent
machines that think and react to situations in the same way as human beings.
¨ Data science is all about applying mathematical and statistical principles to data. In short, it is
the study of data.
¨ Computer vision is a field of artificial intelligence that trains computers to interpret and
understand the visual world. It is like imparting human intelligence and instincts to a
computer.
¨ Natural Language Processing (NLP) is the ability of machines to understand and interpret
human language the way it is written or spoken.
¨ NLU helps the machine to interpret data for understanding the meaning of data. It converts text
into a machine-readable format.
¨ NLG is a method for creating meaningful sentences in natural language. It automatically
produces text or speech from structured data with meaningful phrases and sentences easily
understood by humans.

Knowledge Check

A. Mark the correct response.
1. There are ____________ domains of AI.
OMR Sheet
a. Three b. Four
Use only blue/black ball
c. Five d. Six pen to fill the circles. It
should be darkened
2. ____________ of AI is concerned with facts, numbers, figures, completely and properly.
Wrong methods
names, or descriptions of objects.
a. Data b. NLP domain Correct method

c. Both a and b d. None of these

3. A ____________ is a set of numbers or values that pertain to a 1. a b c d
specific topic.
2. a b c d
a. Dataset b. Computer vision

c. Both a and b d. None of these 3. a b c d

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