Programming

Integer

A whole number (e.g., 20, 159)

Real

A number which contains a decimal point (e.g., 11.2)

Boolean

A value which can only be TRUE or FALSE (represented as 1 or 0)

Character

A letter, number, or punctuation mark.

String

Words or sentences.

Variable

A named value in which data can be stored by a computer program.

Constant

A named value which is fixed and cannot be changed.

Declaration

The process of creating a variable.

Assignment

The process of placing a value into a variable.

Iteration

Repeating a set of steps several times.

Subroutine

A smaller part of a larger program or algorithm that performs a specific task.

Procedure

A subprogram which performs a specific task but does not always return a value.

Function

A subprogram which performs a specific task and always returns a value when run.

Sequence

A set of steps in order.

Count Controlled (definite) Iteration

Using a counter to loop through one or more lines of code.

Condition Controlled (indefinite) Iteration

Using a loop to repeat one or more lines of code until a condition is met.

Nested Selection

A selection statement contained within another selection statement.

Nested Iteration

A loop within another loop.

Naming Convention

Naming parts of the program such as variables or subprograms to make them easy to read.

Arithmetic Operator

An operator that uses mathematics (e.g., +, -, /).

Relational Operator

An operator that allows for assignment or comparison.

Boolean Operator

An operator which compares two values (e.g., <, AND).

Array

A set of data items stored together with a single name accessed by a program.

Record

A single row of related information in a database table.

String Manipulation

Methods to change or modify strings.

Random Number

A number generated by a computer at random.

Parameter

Used to pass information from the main program to a function or procedure.

Local Variable

A variable that can be accessed only from within the function or procedure that created it.

Global Variable

A variable that can be accessed from within the main program and all procedures and functions.

Validation

The process of comparing entered data to ensure it is valid before processing.

Authentication

A security measure that requires a password, code, or fingerprint for access.

Testing

The process of checking and ensuring a program performs as expected.

Normal Data

Data that the program should accept without error.

Boundary Data

Data at the extremes of what the program should accept without error.

Erroneous Data

Data that is of the wrong type.

Syntax Error

An error that stops the code from running.

Logic Error

An error that produces unexpected output while the code still runs.