Chapter 1 - Definitions

Question 1

Define activecode

Answer 1

A unique interpreter environment that allows Python to be executed from within a web browser

Question 2

Define algorithm

Answer 2

A general step by step process for solving a problem

Question 3

Define bug

Answer 3

An error in a program

Question 4

Define byte code

Answer 4

An intermediate language btwn source code and object code. Many modern languages first compile source code into byte code and then interpret byte code with a program called a VIRTUAL MACHINE

Question 5

Define codelens

Answer 5

An interactive environment that allows the user to control the STEP by STEP EXECUTION of a Python program

Question 6

Define comment

Answer 6

Info in a program meant for other programmers (or anyone reading the source code) and has no effect on the execution of the program

Question 7

Define compile

Answer 7

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

Question 8

Define debugging

Answer 8

Process of finding and removing any of these kinds of programming errors

Question 9

Define exception

Answer 9

Another name for a RUNTIME ERROR

Question 10

Define executable

Answer 10

Another name for object code that’s ready to be executed

Question 11

Define formal language

Answer 11

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

Question 12

Define high-level language

Answer 12

A programming language like Python that’s designed to be easy for humans to read and write

Question 13

Define interpret

Answer 13

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

Question 14

Define low-level language

Answer 14

A programming language that’s designed to be easy for computer to execute; also called MACHINE language or ASSEMBLY language

Question 15

Define object code

Answer 15

Output of the computer after it translates the program

Question 16

Define parse

Answer 16

To examine a program and analyse the syntactic structure

Question 17

Define portability

Answer 17

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

Question 18

Define print function

Answer 18

A function used in a program or script that causes the Python interpreter to display a value on its output device

Question 19

Define problem solving

Answer 19

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

Question 20

Define program

Answer 20

A sequence of instructions that specifies to a computer actions and computations to be performed

Question 21

Define programming language

Answer 21

A formal notation for representing solutions

Question 22

Define Python shell

Answer 22

An interactive user interface to the Python interpreter. The user of a Python shell types commands at the prompt (»>) and presses the return key to send these commands immediately to the interpreter for processing

Question 23

Define runtime error

Answer 23

An error that doesn’t occur until the program has started to execute but that prevents the program from continuing

Question 24

Define semantic error

Answer 24

The meaning of a program

Question 25

Define shell mode

Answer 25

A style of using Python where we type expressions at the command prompt, and the results are shown immediately. Contrast w/SOURCE CODE, and see the entry under PYTHON SHELL

Question 26

Define source code

Answer 26

A program, stored in a file, in a high-level language before being compiled or interpreted

Question 27

Define syntax

Answer 27

The structure of a program

Question 28

Define syntax error

Answer 28

An error in a program that makes it impossible to parse - and therefore impossible to interpret

Question 29

Define syntax error

Answer 29

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