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AP Computer Science Principles Unit 2 Vocabulary
Terms in this set (36)
The process of removing or suppressing details to create a manageable level of complexity.
A description of what the computer is doing or the values of variables at any given moment.
Binary values (usually denoted true and false), intended to represent the truth values of logic and Boolean algebra.
Instruction in a computer program that can cause a computer to begin executing a different sequence of instructions.
When blocks of code are executed at a given time by communicating (or broadcasting) a message
A error in a program.
Only executes if a certain designated condition is true.
The direction the computer program moves from instruction to instruction over time. Can also be controlled by if statements and other binary conditions.
The appearance of a sprite.
Repeatedly branching into two equal parts. A clear distinction between two things - yes or no
the usually printed instructions, comments, and information for using a particular piece or system of computer software or hardware
Blocks of code that trigger corresponding behavior (example: Green Flag - starts program)
A set of instructions within an if block that is executed only if the condition in the if statement is met.
if else block
A set of instructions within an if block is executed if a specified condition is true and instructions within the else block are executed if the same condition is false.
A theoretical period beyond the information age where creativity and imagination will become the primary creators of economic value.
A shift in human history from traditional industry to an economy based on information computerization using analysis and thinking - AKA: Digital Age
User interaction with a program via clicking, mouse movement, or keyboard entry.
The act of repeating a process
an abstract data type that represents a countable number of ordered values, where the same value may occur more than once.
Purple-colored blocks of code in Scratch that are used to control a sprite's appearance.
A sequence of instructions that is repeated until a certain condition is met.
The modulus (mod) operator is used to return the remainder of a division operation.
Where different logic structures sequence, selection and loops are combined or nested in one another.
Light-green colored blocks of code used to handle strings and math equations in Scratch.
produce, deliver, or supply (data) using a computer or other device.
A variable for a particular value or attribute.
operate on computer data by means of a program.
A modified and shared version of an uploaded existing project
A block in Scratch with round edges that contains a value (numbers, sentences, etc.) and can be used inside other blocks.
A script is defined within the Scratch program as one or a set of blocks that begins with a Hat Block
Light-blue colored Boolean blocks that are used to detect different factors of a project such as touching.
An object in Scratch that performs functions through scripting.
The background of a project in Scratch which can have scripts, backdrops, sound, etc.
Attributes about the environment that the computer needs to remember in order to function properly.
The speed of a programming directive which is located in the sounds tab in Scratch
A placeholder to store a particular value or attribute such as x and y in an algebraic equation or calculation.
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