'Input string' presentation slideshows

Language Recognition (11.4) and Turing Machines (11.5) Longin Jan Latecki Temple University

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Turing Machines (12.5) Longin Jan Latecki Temple University

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Non-Deterministic Finite Automata

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Chapter 5 Case Study: MVC Architecture for Web Applications

Chapter 5 Case Study: MVC Architecture for Web Applications Objectives of This Chapter Overview MVC Basics JDBC A Case Study: On-Line Shopping Application Introduce concepts of MVC design architecture Demonstrate the Java implementation of MVC architecture

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Lexical Analysis

Lexical Analysis. Why split it from parsing? Simplifies design Parsers with whitespace and comments are more awkward Efficiency Only use the most powerful technique that works And nothing more No parsing sledgehammers for lexical nuts Portability More modular code More code re-use.

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Turing Machines

Turing Machines. The Language Hierarchy. ?. ?. Context-Free Languages. Regular Languages. Languages accepted by Turing Machines. Context-Free Languages. Regular Languages. A Turing Machine. Tape. . . Read-Write head. Control Unit. The Tape. No boundaries -- infinite length.

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Context Free Grammars

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ZERT

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Language Learnability

720 views • 40 slides

Practical Suffix Tree Construction

Practical Suffix Tree Construction. Sandeep Tata, Richard A. Hankins, and Jignesh M. Patel Presented by Niketan Pansare, Megha Kokane. Outline. Overview Existing Algorithms Motivation Two Approaches Experiments and Analysis. Overview.

884 views • 37 slides

Real-Mode Interrupts

Real-Mode Interrupts. Chapter 15 S. Dandamudi. Interrupt processing in the real mode Software interrupts Keyboard services int 21H DOS services int 16H BIOS services Text output Exceptions Single-step example. Direct I/O device control Accessing I/O ports Peripheral support chips

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Shake-and-Bake MT

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CS490 Presentation: Automata & Language Theory

CS490 Presentation: Automata & Language Theory. Thong Lam Ran Shi. Components of a Formal Language. Symbol Alphabet String Grammar. Components of a Formal Language. Symbol

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Shellcode

Shellcode. Georgia Tech ECE6612 Computer Network Security. Reference: "Hacking: the Art of Exploitation," Jon Erickson, 2nd ed., ISBN-13: 978-1-59327-144-2. 3/29/13. A computer is exploited ("hacked") if an unauthorized person gains access to the computer's data and computing resources.

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Lecture 6 Nondeterministic Finite Automata (NFA)

Lecture 6 Nondeterministic Finite Automata (NFA) tape head Finite Control NFA e p h b t a l a The tape is divided into finitely many cells. Each cell contains a symbol in an alphabet ? . a

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LR(k) Parsing

LR(k) Parsing We learned that the typical strategy of LL(k) parsing is that if a nonterminal symbol A appears at the stack top, the parser chooses a production rule for A, say A ? ?, depending on the k look-ahead contents, if needed, and pops the nonterminal A at the stack top by ?.

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Discrete Mathematics Lecture 7

Discrete Mathematics Lecture 7. Alexander Bukharovich New York University. Generic Functions. A function f: X ? Y is a relationship between elements of X to elements of Y, when each element from X is related to a unique element from Y

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CSCI 2670 Introduction to Theory of Computing

CSCI 2670 Introduction to Theory of Computing. October 19, 2004. Agenda. Last week Variants of Turing machines Definition of algorithm This week Chapter 4 Decidable and undecidable languages The halting problem. Announcements. Homework due next Tuesday (10/26)

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The Chomsky Hierarchy

The Chomsky Hierarchy. Linear-Bounded Automata:. Same as Turing Machines with one difference:. the input string tape space is the only tape space allowed to use. Linear Bounded Automaton (LBA). Input string. Working space in tape. Left-end marker. Right-end marker.

370 views • 12 slides