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A general process for solving a category of problems.


An error in a program.


To translate a program written in a high-level language into a low-level language all at once, in preparation for later execution.


The process of finding and removing any of the three kinds of programming errors.


Another name for a runtime error.


Another name for object code that is ready to be executed.

formal language

Any one of the languages that people have designed for specific purposes, such as representing mathematical ideas or computer programs.

high-level language

A programming language like Python that is designed to be easy for humans to read and write.


To execute a program in a high-level language by translating it one line at a time.

low-level language

A programming language that is designed to be easy for a computer to execute; also called "machine language" or "assembly language."

natural language

Any one of the languages that people speak that evolved naturally.

object code

The output of the compiler after it translates the program.


To examine a program and analyze the syntactic structure.


A property of a program that can run on more than one kind of computer.

print statement

An instruction that causes the Python interpreter to display a value on the screen.

problem solving

The process of formulating a problem, finding a solution, and expressing the solution.


A set of instructions that specifies a computation.

runtime error

An error that does not occur until the program has started to execute but that prevents the program from continuing.


A program stored in a file (usually one that will be interpreted).

semantic error

An error in a program that makes it do something other than what the programmer intended.


The meaning of a program.

source code

A program in a high-level language before being compiled.


The structure of a program.

syntax error

An error in a program that makes it impossible to parse (and therefore impossible to interpret).


One of the basic elements of the syntactic structure of a program, analogous to a word in a natural language.

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