Section 1.13 Glossary
Glossary Glossary
- activecode.
- A unique interpreter environment that allows Python to be executed from within a web browser.
- algorithm.
- A step by step list of instructions that if followed exactly will solve the problem under consideration.
- bug.
- An error in a program.
- byte code.
- An intermediate language between source code and object code. Many modern languages first compile source code into byte code and then interpret the byte code with a program called a virtual machine.
- codelens.
- An interactive environment that allows the user to control the step by step execution of a Python program.
- comment.
- Information in a program that is meant for other programmers (or anyone reading the source code) and has no effect on the execution of the program.
- compile.
- To translate a program written in a high-level language into a low-level language all at once, in preparation for later execution.
- console.
- A window in a development environment that shows program output in text format, usually only seen by the programmer, and not seen by the end user.
- debugging.
- The process of finding and removing any of the three kinds of programming errors: *syntax error*, *semantic error*, and *runtime error*.
- end user.
- A person who makes use of a program.
- exception.
- Another name for a runtime error.
- executable.
- 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; all programming languages are formal languages.
- high-level language.
- A programming language like Python that is designed to be easy for humans to read and write.
- interpret.
- To execute a program in a high-level language by translating it one line at a time.
- interactive.
- A type of program that receives input from end users while it is running, and might also display output on the screen for those end users (as distinct from text output shown in the console).
- 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.
- parse.
- To examine a program and analyze the syntactic structure.
- portability.
- A property of a program that can run on more than one kind of computer.
- print function.
- A function used in a program or script that causes the Python interpreter to display a value on its output device.
- problem solving.
- The process of formulating a problem, finding a solution, and expressing the solution.
- program.
- A sequence of instructions that specifies to a computer actions and computations to be performed.
- programmer.
- A person who writes, edits or maintains programs, using a programming language (such as Python).
- programming language.
- A vocabulary and set of grammatical rules for instructing a computer or computing device to perform specific tasks.
- Python shell.
- The interpreter that executes your Python programs, or other pieces of Python code.
- runtime error.
- An error that does not occur until the program has started to execute but that prevents the program from continuing.
- semantics.
- The meaning of a program.
- semantic error.
- An error in a program that makes it do something other than what the programmer intended.
- shell mode.
- A mode of using Python where expressions can be typed and executed in the command prompt, and the results are shown immediately in the command terminal window. This is in contrast to source code.
- source code.
- The instructions in a program stored in a file, in a high-level language before being compiled or interpreted.
- syntax.
- The structure of a program.
- syntax error.
- An error in a program that makes it impossible to parse — and therefore impossible to interpret.
- token.
- One of the basic elements of the syntactic structure of a program, analogous to a word in a natural language.
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