The document outlines a lesson focused on translating flowchart algorithms to pseudocode and vice versa, detailing key concepts such as algorithms, pseudocode, and flowcharts. It emphasizes the importance of pseudocode for clarity and planning in programming, contrasting it with flowcharts' visual representation. Additionally, it discusses the differences between pseudocode and actual code in terms of syntax, detail, and execution.

1. Translating Flowchart algorithm to
Pseudocode Format and vice versa
Today’s lesson

2. Lesson Objectives
By the end of this lesson, a student will be able to:
❏ Define and explain the concepts of algorithms,
pseudocode, and flowcharts.
❏ Importance of Using Pseudocode
❏ Differentiate between pseudocode and flowcharts.
❏ Prepare pseudocode for a simple program.
❏ Create a basic flowchart representation of an algorithm.
❏ Differences between pseudocode and actual code

3. The Concepts of Algorithms
❏ An algorithm is a step-by-step set of instructions
designed to solve a specific problem or perform a
particular task.
❏ It's a well-defined sequence of operations that
transforms input data into desired output.
❏ Algorithms serve as a blueprint for creating computer
programs and are used in various fields to solve complex
problems efficiently.

4. The Concepts of Pseudocode
❏ Pseudocode is a high-level description of an algorithm
that combines natural language and programming
language-like constructs.
❏ It's used to outline the logic of a program without getting
into the specifics of a particular programming language.
Pseudocode focuses on expressing the algorithm's
steps in a human-readable manner.

5. The Concepts of Flowcharts
❏ A flowchart is a graphical representation of an algorithm
or a process.
❏ It uses different shapes and arrows to depict the
sequence of steps and decisions in a logical order.
❏ Flowcharts help in visually understanding the flow of
control, conditions, and actions within an algorithm or
program.

6. Common Flowchart Symbols

7. Importance of Using Pseudocode
❏ Clarity: Pseudocode helps in planning and organizing
thoughts before coding, making it easier to visualize the
algorithm's logic and flow.
❏ Language-Independent: Pseudocode is not tied to a
specific programming language, allowing programmers
to focus on the algorithm's design without worrying
about syntax.

8. Cont…
❏ Simplicity: Writing in pseudocode enables developers
to focus on the algorithm's core logic rather than getting
bogged down by the details of a programming
language.

9. Differences Between Pseudocode and Flowcharts.
Flexibility
Pseudocode allows for more detailed descriptions and
explanations of logic. BUT Flowcharts are more visual and
may be better for illustrating complex flows.
Usage
Pseudocode is often used in programming courses and
planning stages. WHEREAS Flowcharts are commonly
used in documentation and presentations.

10. Cont…
Format
Pseudocode is primarily text-based, using a mixture of
human-readable language and programming-like
constructs. WHILE Flowcharts use graphical symbols
connected by arrows to depict the algorithm's flow.

11. Sample Pseudocode for Adding Two Numbers
1. Start
2. Input firstNumber
3. Input secondNumber
4. Set sum = firstNumber + secondNumber
5. Display sum
6. End

12. Sample Flowchart Representation of Adding Two
Numbers
Start
Input firstNumber,
secondNumber
sum=firstNumber +
secondNumber
Display sum
End

13. Differences Between Pseudocode and Actual
Code
❏ Syntax: Pseudocode uses natural language and abstract
programming constructs, while actual code follows the
specific syntax rules of a programming language.
❏ Level of Detail: Pseudocode focuses on high-level logic
and concepts, whereas actual code includes specific
details like data types, variables, and syntax rules.
❏ Execution: Pseudocode is not executable, while actual
code is compiled or interpreted by a computer to produce
the desired output.

14. Assignment
Research and provide examples of real-world applications
where understanding algorithms and using pseudocode
can be beneficial.(e.g. How to withdraw cash from ATM)