Lesson 1.1 Algorithms and Agile Development Crossword

Accumulator Variable Maintains a running
Aggregator Variable Stores a list of values built up over time and remembers separate individual
Agile Design A method of software development that emphasizes frequent client input to produce better end
Algorithm A step-by-step procedure, like a recipe, but often involving
Best-so-far Variable Keeps track of a record best or worst and updates when a new record best or worst has been
Boolean Expression Evaluates to either true or false; used in the conditional of an
Bug Part of a program that causes an error or undesired
Central Processing Unit (CPU, or core) The part of the computer that executes one instruction at a
Code Instructions in a
Conditional The Boolean expression in an if-structure that is evaluated to determine which branch of code to
Debugging The process of figuring out why code doesn’t behave as expected and eliminating bugs to make it work as
Encapsulation Keeping details (like data and procedures) together in one part of a program so that programmers working on other parts of the program don’t need to know about
Event A “trigger” from the user or from a program that causes a specific part of the program to
Event Handler A piece of code that responds to an
Execute To run a program or a single
Fixed Variable Stores a value that will not change over the course of the entire
If-structure Evaluates a Boolean expression and executes some code if the expression is true (and possibly other code if it is
Input Data that is used by a
Integrated Development Environment (IDE) Provides a developer with a way to create a program, run the program, and debug the program all within one
Iteration Repeating a step-by-step procedure several times; also used to refer to single execution of that repetitive
Memory The parts of computer that can store data or instruction, including volatile memory (lost when the computer is turned off) and non-volatile memory (retained when the computer is turned
Meta-information Information about a program or data file, including date created and author
Method A set of instructions grouped together to do something to or with an
Method Call An instruction to use a
Modular Code A group of instructive code that exists as an independent unit, which is easy to use with other code as
Most Recent Variable Stores user input or stores information about a program’s state that changes
One-way Flag Variable Stores whether a condition has been true yet; reset before iteration and possibly raised during
Output The effect that a program has on its
Product Backlog A prioritized list of user stories, showing both short- and long-term goals of a software development
Pseudocode An outline of the basic ideas behind how algorithms will
Script A set of instructions. In Scratch a script is a single stack of blocks belonging to one sprite or to the
Scrum The most common framework for Agile
Sprint Task List A list of small specific tasks to be completed during the current sprint in the scrum method of software
Sprite A graphics object that can be moved on top of or behind a
State Data that describes everything about how a program exists at a given time; a snapshot of a
State Diagram Shows the ways that a program could progress from each state to other
Stepper Variable A variable that counts in an arithmetic sequence, usually counting by ones starting at 0 or
Syntax Precise rules defining how the letters, words, and punctuation of a programming language are required to be used
Turing Test One method of determining the strength of artificial intelligence, in which a human tries to decide if the intelligence at the other end of a text chat is
User Stories Plain-language description of a user’s need for the software under development, usually phrased as “(who) wants to (do what within the software) so that they can (do what in real
Variable Roles Describe why a variable is being used in a
Walker Variable Stores one item from a list at a time during
Waterfall Design A method of software development that emphasizes completing each stage of the design process before beginning the next