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34 Cards in this Set
- Front
- Back
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problem solving
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The process of formulating a problem finding a solution and expressing the solution.
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algorithm
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A general process for solving a category of problems.
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bug
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An error in a program.
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compile
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To translate a program written in a high-level language into a low-level language all at once in preparation for later execution.
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debugging
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The process of finding and removing any of the three kinds of programming errors.
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exception
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Another name for a runtime error.
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executable
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Another name for object code that is ready to be executed.
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formal language
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Any one of the languages that people have designed for specific purposes such as representing mathematical ideas or computer programs; all programming languages are formal languages.
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high-level language
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A programming language like Python that is designed to be easy for humans to read and write.
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interpret
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To execute a program in a high-level language by translating it one line at a time.
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low-level language
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A programming language that is designed to be easy for a computer to execute; also called "machine language" or "assembly language."
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natural language
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Any one of the languages that people speak that evolved naturally.
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object code
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The output of the compiler after it translates the program.
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parse
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To examine a program and analyze the syntactic structure.
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portability
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A property of a program that can run on more than one kind of computer.
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program
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A set of instructions that specifies a computation.
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runtime error
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An error that does not occur until the program has started to execute but that prevents the program from continuing.
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script
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A program stored in a file (usually one that will be interpreted).
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semantic error
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An error in a program that makes it do something other than what the programmer intended.
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semantics
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The meaning of a program.
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source code
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A program in a high-level language before being compiled.
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syntax
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The structure of a program.
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syntax error
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An error in a program that makes it impossible to parse (and therefore impossible to interpret).
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token
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One of the basic elements of the syntactic structure of a program analogous to a word in a natural language.
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Static Semantics
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which programs are meaningful, which expressions make sense - "My desk is Susan"
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Declarative
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Statement of Fact
sqr(x) is y s.t. y^2 =x |
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Imperative
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Description of how to deduce something - a recipe
Guess G: if G^2 ~ x -> stop G else G<-(G+X/G)/2 |
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variable
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name that refers to a value
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Keyword
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keywords define python's define the language's rules and structure
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statement
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two kinds: print and assignment - an instruction the Python interpreter can execute
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expression
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combination of values, variables and operators - a value or variable by themselves are expressions
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difference between expressions and statements
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expressions are evaluated by the interpreter, while statements are instructions the interpreter can evaluate
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operator
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sysmbols that represent computations like addition and multiplication
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operands
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the values used by operators
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