Computer Hardware and Software · SHS2 Computing

Lesson notes

Learning Objectives

Indicator: 2.1.2.LI.2 - Explain the types of Software and their functions.

By the end of the lesson, learners can:

Distinguish between system software and application software with clear examples of each.
Explain the functions of the operating system as the primary system software, including memory management, file management, and process management.
Categorise a given software title (for example, WhatsApp, Microsoft Word, Linux, antivirus programs) as either system or application software and justify their choice.
Describe the differences between proprietary software, freeware, open source software, and shareware, using everyday Ghanaian examples.
Troubleshoot a practical software task, such as identifying the operating system of a classroom device, and explain how that software helps the device function.

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Curriculum details

Strand: Computer Architecture & Organisation (Strand 1)
Sub-strand: Computer Hardware and Software (1.2)
Content standard: 2.1.2.CS.1 - Demonstrate knowledge and understanding of components of Computer hard disks, clock, power unit, network interface cards, scanners, digital cameras, Hardware and types of Software 2.1.2.LO.1 Apply acquired skills and knowledge to explain the functioning of input and output devices in relation to barcodes and QR codes, as well as the functionality of an Operating System.
Indicator: 2.1.2.LI.2 - Explain the types of Software and their functions.
Suggested placement: Semester 1, Week 10 (Week 10 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. 56

Exemplars (from the NaCCA curriculum)

Using Problem-Based Learning Approach: Task learners to identify and explain the types of software and state their functions.
Using the Problem-Based Learning Approach: Group learners according to their mixed abilities and task them with downloading and installing simple everyday software, such as antivirus programs, games, media players, etc.
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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 (2.1.2.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 4 Extended critical thinking and reasoning.