Introduction to Algorithms and Flowcharts

This set of vocabulary flashcards covers the fundamental concepts of algorithms, flowchart symbols, and data storage using variables as presented in the lecture notes.

Algorithm

A step-by-step set of instructions used to solve a problem or complete a task.

Clear

A characteristic of a good algorithm meaning it is easy to understand.

Ordered

A characteristic of a good algorithm requiring that steps must be in the correct sequence.

Finite

A characteristic of a good algorithm meaning it must end after a number of steps.

Input

Data given to the algorithm or a specific flowchart shape used for the user to enter data.

Output

The result produced by an algorithm or a specific flowchart shape used to display words and numbers to the user.

Flowchart

A diagram that shows a sequence of steps that should be followed using specific shapes and arrows.

Data flows

The arrows in a flowchart that show you how to move through the steps.

Process

A flowchart symbol used to do a calculation or action.

Decision

A point where a process requires a choice based on a condition or question, such as "Yes/No" or "True/False".

Arrow (Flowline)

A symbol used to show the direction of the process flow between different steps or symbols.

Variable

A named storage location where you can store data, and the data value can change.

Pseudocode

A way to represent an algorithm using text that follows a structure similar to programming code but is intended for human reading (e.g., using terms like $BEGIN$, $IF$, and $ENDIF$).

$$MOD$$

An operator used to find the remainder of a division, used in algorithms to determine if a number is even (e.g., $number\,MOD\,2 = 0$).

$$age = age + 10$$

A process operation used to change the data in a variable by adding 10 to current stored value in $age$ and storing the result back in $age$.