Algorithm & Flowchart

Algorithm &
Flowchart

What is an Algorithms?

The steps how to solve a problem

How to identify algorithm?

1. Written in simple language

2. Focuses on what to do, not how to code it

3. Can be spoken, written, or drawn

4. No fixed format

Key characteristic of Algorithms

1. Input ----> (Problem)

2. Process <-------> (Solving)

3. Output ------> (Result)

The forms of Algorithms

1. Pseudocode

2. Flowchart

3. Mathematical formula

4. Programming language

Open Ended

What is an algorithm?

Reorder

Reorder the following the key characteristic of Algorithms?

• Input

• Process

• Output

1

2

3

• 1
• 2
• 3

Open Ended

Please mention 3 forms of algorithm

Flowchart is VISUAL representation of a process in algorithm.

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What is a flowchart?

The symbols in flowchart

Flowchart is using symbol to represent the steps.

Here are some of the symbols

It used to start and also end the program.

​

(START/BEGIN/STOP/END)

Capsule or Oval

It used to DETERMINE input or output

​

INPUT/OUTPUT

​parallelogram

It used to tell process in the program

​

PROCESS

Rectangle

It used to involved in making a decision.

DECISION

rhombus

It use to tell the flow the program

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FLOW

Multiple Choice

Which one is a process symbol?

Multiple Choice

Which one is a decision symbol?

Multiple Choice

Which one is a terminator symbol?

Multiple Choice

Which one is a input symbol?

THANK YOU :)