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Tài liệu How to Think Like a Computer Scientist pptx

Tài liệu How to Think Like a Computer Scientist pptx

... computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. portability: A property of a program that can run ... seen are declarations, assignments, and print state- ments. declaration: A statement that creates a new variable and determines its type. assignment: A statement that assigns a value to a variable. expression: ... speaking a natural language (everyone) often have a hard time adjusting to formal languages. In some ways the difference between formal and natural language is like the difference between poetry and...

Ngày tải lên: 19/01/2014, 16:20

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Think Python How to Think Like a Computer Scientist potx

Think Python How to Think Like a Computer Scientist potx

... 1.4. Formal and natural languages 5 1.4 Formal and natural languages Natural languages are the languages people speak, such as English, Spanish, and French. They were not designed by people (although ... diagrams To keep track of which variables can be used where, it is sometimes useful to draw a stack diagram. Like state diagrams, stack diagrams show the value of each variable, but they also show ... importantly: Programming languages are formal languages that have been designed to express computations. Formal languages tend to have strict rules about syntax. For example, 3 + 3 = 6 is a syntactically...

Ngày tải lên: 06/03/2014, 16:20

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How to Think Like a Computer Scientist pot

How to Think Like a Computer Scientist pot

... than what the programmer intended. semantics: The meaning of a program. natural language: Any one of the languages that people speak that evolved naturally. formal language: Any one of the languages ... the syntactic structure of a program, analo- gous to a word in a natural language. parse: To examine a program and analyze the syntactic s tructure. print statement: An instruction that causes ... Operators and operands 17 2.6 Operators and operands Operators are special symbols that represent computations like addition and multiplication. The values the operator uses are called operands. The...

Ngày tải lên: 14/03/2014, 15:20

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Think Python: How to Think Like a Computer Scientist pptx

Think Python: How to Think Like a Computer Scientist pptx

... evolved naturally. Formal languages are languages that are designed by people for specific applications. For example, the notation that mathematicians use is a formal language that is particularly ... is called a declaration. The type of a variable determines what kind of values it can store. A char variable can contain characters, and it should come as no surprise that int variables can store ... arbitrary name you made up for the variable. In general, you will want to make up variable names that indicate what you plan to do with the variable. For example, if you saw these variable declarations: char...

Ngày tải lên: 23/03/2014, 22:21

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think java how to think like a computer scientist

think java how to think like a computer scientist

... language: A programming language that is designed to be easy for a computer to run. Also called “machine language” or “assembly language.” formal language: Any of the languages people have designed for ... arbi- trary name you made up for the variable. In general, you will want to make up variable names that indicate what you plan to do with the variable. For example, if you saw these variable declarations: String ... and reduce misunderstandings, nat- ural languages are often redundant. Formal languages are more concise. literalness: Natural languages are full of idiom and metaphor. Formal lan- guages mean...

Ngày tải lên: 13/06/2014, 16:20

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How to Think Like a Computer Scientist pptx

How to Think Like a Computer Scientist pptx

... The way of the program Formal languages are languages that are designed by people for specific appli- cations. For example, the notation that mathematicians use is a formal language that is particularly ... pur- poses, like representing mathematical ideas or computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. portability: ... out, the material I covered was almost identical to the AP Syllabus. Naturally, when the College Board announced that the AP Exam would switch to Java, I made plans to update the Java version...

Ngày tải lên: 01/08/2014, 23:20

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how to think like a computer scientist

how to think like a computer scientist

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how to act like a ceo 10 rules for getting to the top and staying there pot

how to act like a ceo 10 rules for getting to the top and staying there pot

... can have it.” Two and a half hours later the plan was on the white board. HOW TO ACT LIKE A CEO 24 date. You can change frequently and still be yourself—but always a better self! And by changing ... CEO described a crisis situa- tion he was in, “I felt like I was in deep water and was caught in a wave in a cave.”) HOW TO ACT LIKE A CEO 22 Michael Trufant, CEO of G&M Marine Inc., offered ... stay financially solvent, display lead- ership, constantly influence and persuade, be a part of a community, and sustain some balance for personal sanity. In terms of profes- sional and personal...

Ngày tải lên: 28/06/2014, 21:20

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how to act like a ceo 10 rules for getting to the top and staying there phần 1 pot

how to act like a ceo 10 rules for getting to the top and staying there phần 1 pot

... Team-Fly đ HOW TO ACT LIKE A CEO 10 Rules for Getting to the Top and Staying There D. A. BENTON M C G RAW-HILL NEW YORK SAN FRANCISCO WASHINGTON, D.C. AUCKLAND BOGOTÁ CARACAS LISBON ... 0-07-135998-2. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to ... stay financially solvent, display lead- ership, constantly influence and persuade, be a part of a community, and sustain some balance for personal sanity. In terms of profes- sional and personal...

Ngày tải lên: 10/08/2014, 07:21

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