SHS1 Computing · Semester 1 Week 18: Data Communication and Network Systems

Lesson notes

Learning Objectives

Indicator: 1.1.3.LI.2 - Identify at least 3 Types of Network Systems

By the end of the lesson, learners can:

Define a network system and recall the basic components they met in the previous lesson (nodes, links, data).
Identify by name at least three types of network systems: Local Area Network (LAN), Metropolitan Area Network (MAN), and Wide Area Network (WAN).
Give at least one key feature of each of the three network types, including typical geographic coverage and a familiar example.
Recognise visual representations (diagrams or maps) of LAN, MAN, and WAN and correctly label each one.
Recall real-world examples of each network type found in Ghana, such as a school computer lab, a city-wide network in Kumasi, and a network connecting Accra to London.

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Curriculum details

Strand: Computer Architecture and Organisation (Strand 1)
Sub-strand: Data Communication and Network Systems (1.3)
Content standard: 1.1.3.CS.1 - Demonstrate knowledge and understanding of network design 1.1.3.LO.1 Use skills and knowledge to identify and differentiate between the different types of Network Systems
Indicator: 1.1.3.LI.2 - Identify at least 3 Types of Network Systems
Suggested placement: Semester 1, Week 18 (Week 18 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 34

Exemplars (from the NaCCA curriculum)

Problem-Based Learning: Analyse and present the features and functions of hardware components commonly found in network systems, such as routers, switches, network interface cards (NICs), and modems.
Teaching and Learning Materials:
- * Notepad or exercise book * Pen * Smartphones * Laptops * Desktop computers * Tablets
- * TV and Radio * Open Educational Resources (including YouTube,
- MOOCs - Udemy/Coursera, Khan Academy, and TESSA) * The iBox/iCampus (CENDLOS) * Productivity tools ix. Subject-based application software * Instructional Laboratories (with multimedia equipment and smartboards) * Maintenance and repair workshops
Assessment (1.1.3.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall.