Lesson Notes By Weeks and Term v4 - SHS 2

ALGORITHM AND DATA STRUCTURE

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  2. Lesson Notes By Weeks and Term v4
  3. SHS 2
  4. ALGORITHM AND DATA STRUCTURE

Subject: Computing

Class: SHS 2

Term: 2nd Term

Week: 5

Grade code: 2.2.1.LI.2

Strand code: 2

Sub-strand code: 1

Content standard code: 2.2.1.CS.1

Indicator code: 2.2.1.LI.2

Theme: COMPUTATIONAL THINKING (PROGRAMMING LOGIC)

Subtheme: ALGORITHM AND DATA STRUCTURE

Lesson Video

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Performance objectives

Lesson summary

In today's digital world, from our smartphones to the systems that run Mobile Money, data is everywhere. But just having data isn't enough; we need to organize it efficiently to make our applications fast and useful. Data Structures are the special methods computers use to store and organize data. Understanding them helps us see the "magic" behind the technology we use every day. This lesson will explore different types of data structures and connect them to real-world applications we see right here in Ghana, helping you understand how software that powers our society is built.

Lesson notes

What is a Data Structure?

Think about a school library. The books could be thrown in a big pile in the middle of the room. You would still have all the books, but finding a specific one would be almost impossible. Instead, librarians organize books carefully: they are sorted by subject (e.g., Science, History), then by author's last name. This organization makes it easy and fast to find any book.

A Data Structure is a specialized format for organizing, processing, retrieving, and storing data in a computer. It is a way of arranging data so that it can be accessed and used efficiently.

Just like a librarian chooses a specific system to organize books, a programmer chooses a specific data structure to organize data based on the problem they are trying to solve. Common Types of Data Structures and Their Applications

Evaluation guide