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Theory of Computation

Introduction to Languages

Introduction to Languages

A language is a tool in the hands of

human in order to send or receive

information across.

Introduction to Languages

A language is a tool in the hands of

human in order to send or receive

information across.

SPEAK

Introduction to Languages

A language is a tool in the hands of

human in order to send or receive

information across.

Introduction to Languages

A language is a tool in the hands of

human in order to send or receive

information across.

Introduction to Languages

A language is a tool in the hands of

human in order to send or receive

information across.

Introduction to Languages

A l a n g u a g e i s a t o o l i n t h e h a n d s

o f h u m a n i n o r d e r t o s e n d o r

r e c e i v e i n f o r m a t i o n a c r o s s.

Introduction to Languages

language is a tool in the hands of

human in order to send or receive

information across.

SYMBOL

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

languageSYMBOL

STRINGS

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

language

tool

SYMBOL

STRINGS

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

language

human

SYMBOL

tool

STRINGS

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

language

human

information

SYMBOLS

STRINGS

tool

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

SYMBOLS

STRINGS

ni

Introduction to Languages

language is a too in the hands of

human in order to send or receive

information across.

language

human

information

SYMBOLS

STRINGS

tool

Introduction to Languages

language

human

information

SYMBOLS

STRINGS

tool

A l a n g u a g e i s a t o o l i n t h e h a n d s

o f h u m a n i n o r d e r t o s e n d o r

r e c e i v e i n f o r m a t i o n a c r o s s.

Introduction to Languages

an

apple

I

ate

Introduction to Languages

Introduction to Languages

GRAMMAR RULES

Introduction to Languages

I ate an apple

GRAMMAR RULES

Syntax

Introduction to Languages

An apple I ate

GRAMMAR RULES

Syntax

An apple ate I

An I apple ate

An I ate apple

I an apple ate

I an ate apple

I ate an apple

I ate apple an

Introduction to Languages

An apple I ate

GRAMMAR RULES

Syntax

An apple ate I

An I apple ate

An I ate apple

I an apple ate

I an ate apple

I ate an apple

I ate apple an

SEMANTICS

Introduction to Languages

Symbols

Strings

Statements

Syntax

Grammar

Semantics

Human Language

Introduction to Languages

Symbols

Strings

Statements

Syntax

Grammar

Semantics

Computer Language

(logic)

Introduction to Languages

Symbols

Strings

Computer Language

(logic)

if

identifier in C language

keyword in C language

fi

Statements

Syntax

Grammar

Semantics

Introduction to Languages

A language is a tool which is used by

man to interact with man or machine.

Introduction to Languages

Human Brain

Grammar

RulesSentence

Introduction to Languages

Human Brain

Grammar

Rules

Computer

Sentence

Statement?

Introduction to Languages

Thanks