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4th Quarter Vocabulary
Computer science vocab
17
Computer Science
9th Grade
05/03/2017

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Term
Algorithm
Definition
A set of repeated steps used to solve a problem. The set of steps for doing long division of a number is an algorithm. Doesn’t really change, just repeats (looping) but can have certain conditions that will change it. (Conditions)
Term
Boolean
Definition
– A variable type that can be either true or false. A Boolean condition is a condition that evaluates to either true or false – part of conditional statements.
Term
The cloud
Definition
The group of computers that are accessible via the Internet and are used for remote storage and computation
Term
Conditional statement
Definition
Also known as an if/then or if/then/else statement. A programming construct used for making decisions within a program. A conditional statement allows for execution of code based on the evaluation of a condition.
Term
looping
Definition
A programming construct that allows for a block of code to be executed a specified number of times, in general a block of code to be repeated multiple times.
Term
genre
Definition
A category of game types
Term
Parameter
Definition
– Data passed to a function. In the following line of code, 100 is a parameter: turtle->forward(100). When you set your collage sprites, you had to use the coordinate system to set the parameters of where things will be positioned on the game board (or collage)
Term
Sprite
Definition
An object that is usually a character in a game. Sprites have properties and functions that are used to control their look and behavior.
Term
sprite sheet
Definition
A single file with multiple images that, when viewed in rapid succession, create an animation.
Term
string
Definition
A sequence of alphanumeric characters and/or symbols. In a computer program, a string is indicated by quotation marks (“”) at the beginning and end of the string. For example, “Hello Bot!” is a string made up of 10 characters (5 letters, a space, and an exclamation mark). String can also be used to refer the the variable type of a variable. If a variable is initialized to a string (e.g. var x := “Hello Bot!”), its variable type is string.
Term
table
Definition
In TouchDevelop, a table is a data structure that contains rows and columns. All data in each column is of the same variable type and each row can be referenced by its index.
Term
coordinate system
Definition
In TD- X axis generally points from left to right (horizontally), and the Y axis generally points from bottom to top (Vertically)
Term
frame
Definition
A frame typically includes frame synchronization features consisting of a sequence of bits or symbols- somewhat like an event.
Term
objects
Definition
Fundamental Building Block in TD. Example: Game- Game board- Whatever you are buildin
Term
function
Definition
A self-contained set of tasks (blocks of code) to perform in TD, for example- setting parameters for a game board, creating a sprite on a coordinate system, setting text to display.
(purple)
Term
variable
Definition
The container for the data (function code) Green
Term
event
Definition
Something that happens outside of the code (anywhere within that indicates the player is doing something to manipulate the game- tap to start- etc…..
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