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CSE

Computer Science vocabulary & concepts

Term	Definition
feature	A function of an application or user interface
TEMP chart	The acronym for Term, Example, Meaning, Picture; a vocabulary building strategy.
component	A function or artifact in an app that you can add in Design view of MIT App Inventor. Examples of components are: Canvas, Camera, Label, Slider, Sound, Horizontal arrangement, Button.
events	An action or occurrence that happens during runtime that will trigger a response or behavior by the software. An event can be user input, such as clicking a button, or external, such as a device receiving an SMS text message.
event handlers	In MIT App Inventor, a control block that looks for inputs or events to know when to perform a specific action.
procedure	A sequence of actions or instructions to follow in solving a problem or accomplishing a task. Also called subprogram.
input	Information or signals entered into a computer system. Examples of input devices are buttons, keys on a keyboard, touch screens, and accelerometers.
output	Information or signals produced or delivered by a computer system.
debugging	To identify errors or bugs in computer hardware or programs and fix them.
iterations	A process of repeating a set of instructions a specified number of times or until a condition is met. Such as in a repetition of a process or a newer version of development in computer science.
app	A software application, especially one that a user downloads to a mobile device.
backlog	A sequential and prioritized list of what needs to be done to create the app the user wants. The list can be technical requirements or user centric in the form of user stories.
code	A set of program instructions.
block-based programming language	A means to create computer programs by manipulating elements graphically rather than using text. Also called visual programming language.
syntax	The set of rules that defines the combinations of symbols that are considered to be correctly structured in that language. The grammar and spelling of text-based programming languages.
abstraction	A technique or process that manages complexity in a program or computer system. Abstraction “hides” details or removes duplication, allowing the programmer to focus on high-level considerations and functions.
feature	A function of an application or user interface.
user story	Each of the app features is a user story. User stories are the individual items that make up the whole solution or app.
user centered	When you are developing an app, or any software solution, it is important to think about the people who will be using that software.
user interface	A user interface is what the user interacts with on the device. It can include the touch screen, buttons, and even an accelerometer that senses and sends the orientation of the device.
design view	describes all design entities and their attributes.
blocks view	set of bits or bytes that forms an identifiable unit of data.
component	A function or artifact in an app that you can add in Design view of MIT App Inventor. Examples of components are: Canvas, Camera, Label, Slider, Sound, Horizontal arrangement, Button.
event	An action or occurrence that happens during runtime that will trigger a response or behavior by the software. An event can be user input, such as clicking a button, or external, such as a device receiving an SMS text message.
event handler	In MIT App Inventor, a control block that looks for inputs or events to know when to perform a specific action.
procedure	A sequence of actions or instructions to follow in solving a problem or accomplishing a task. Also called subprogram, a procedure is a group of statements that may be used at one or more points in a program. In App Inventor, many procedures are premade
iteration	A process of repeating a set of instructions a specified number of times or until a condition is met. Such as in a repetition of a process or a newer version of development in computer science.
CamelCase or underscore_case?	1.1.2 beginning
variable	The smallest unit of data storage that a program can use. A variable contains known or unknown information referred to as a “value”. Two types of variables are global and local.
argument	The values that a program provides to a function or subroutine. Sometimes coding professionals use the terms “argument” and “parameter” interchangeably. In this course, argument is a better choice because Python does not use the term parameter.
concatenation	A joining together of separate items —without changing them—into one place. For example, the concatenation of two strings such as “Hello” and “world!” would return “Hello world!”.
call a procedure	To direct a program to execute or reference a certain procedure. A procedure is a subroutine that is stored only once, but can be called many times in a program to execute when needed.
arithmetic operator	A symbol in code that tells a computer to perform a specific math operation, such as addition, subtraction, multiplication, or division. (+ ¬¬¬– × / ).
logical operator	A representation of a logical statement that is used to examine the relationship between two values and determine whether the statement is true or false (Boolean conditionals). Examples of logical operators include AND, OR, and NOT.
debug, debugging	To identify errors or bugs in computer hardware or programs and fix them.
1.1.3 Conditionals :)	definitions
conditional statement	A programming statement that evaluates a true/false Boolean expression to determine the next steps in a program. Conditional statements are often written as 'if-then' or 'if-then-else' statements.
Boolean expression	A processing decision branch using comparison operators (= ≠ > <) that is defined to return a Boolean value (“true” or “false”). By using Boolean expression to ask questions, the program can determine what to do next.
argument	The values that a program provides to a function or subroutine. Sometimes coding professionals use the terms “argument” and “parameter” interchangeably. In this course, argument is a better choice because Python does not use the term parameter.
integer	A whole number that does not have a decimal or any digits after the decimal.
1.1.4 Local and Global Variables	definitions
sprint task list	A list of the individual parts that need development to address a backlog item.
global variable	Stored data that may be used by any part of the program. A variable is simply a storage location for a value that is known or may be changing often based on inputs. By making a variable “global” it means all parts of the program can access it.
local variable	Stored data that is only used within a small scope of a project and cannot be used by other parts of the program.
scope	A description of the parts of a program where a particular variable can be accessed and modified.
natural language	The language that people use in daily conversations with each other.
pseudocode	A way to work out the logic without worrying too much about the specifics of the language you are programming in.
incremental counter	A loop that changes the value of a count by a certain amount every time an event occurs.
decremented	reduced in number by one
1.1.5 Iteration and Loops	definitions
loop	A sequence of instructions that continually repeats until a condition is met.
iteration	A process of repeating a set of instructions a specified number of times or until a condition is met. Such as in a repetition of a process or a newer version of development in computer science.
while test do loop	while certain conditions are true, this block will do whatever is in the loop. The while test evaluates what is plugged into it to determine whether the Boolean result is true or false. If the condition is false, then the program does nothing with the d
while loop	A while loop only loops as long as it receives a “true” value.
decremented	reduced in number by one
Abstraction	set of instructions with a specific name; makes code less complex to read and use again

Created by: KGabriel44

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