CompSci Vocabulary

Global Variable

A variable that is accessible throughout an entire program, regardless of scope.

Local Variable

A variable that is declared within a function or block and can only be accessed within that scope.

Int

A data type used to store whole numbers without decimal points.

double

A data type used to store floating-point numbers with double precision.

String

A sequence of characters used to represent text in programming.

Boolean

A data type that holds only two possible values: true or false.

Concatenation

The operation of joining two or more strings together.

Conditional/If

A statement that executes a block of code only if a specified condition is met.

While

A loop that continues executing as long as a given condition remains true.

For

A loop that iterates a fixed number of times, typically using a counter variable.

Increment

The process of increasing a variable’s value, often by one.

Natural Language/Pseudocode

A simplified, human-readable way of describing an algorithm without strict syntax rules.

Parameter (Argument)

A value passed into a function to be used within its execution.

Method (Function)

A block of code that performs a specific task and can be called multiple times.

Comments

Non-executable text in code used to describe functionality or provide notes for developers.

Array

A collection of elements stored in contiguous memory locations, typically of the same data type.

Loop

A control structure that repeats a block of code multiple times.

Nested Loops

A loop inside another loop, allowing for multiple levels of iteration.

2-dim Array

A two-dimensional array that stores data in a grid-like structure with rows and columns.

Class

A blueprint for creating objects, defining attributes and behaviors.

Object

An instance of a class that contains data and methods to manipulate that data.

Debugging

The process of identifying and fixing errors in a program.

Modulo

An operation that returns the remainder of a division.

Abstraction

The concept of hiding complex implementation details and exposing only essential features.