Grade 12 Computer Applications Technology
Real tech skills for
the digital world.
the digital world.
CAT is about using technology to solve real problems — from building a database to writing a mail merge. Every topic maps directly to the NSC CAT exam and the practical skills you'll use throughout your career.
Topic 1 · MS Word
Word Processing
Using Microsoft Word to create professional documents with advanced formatting, mail mer…
Topic 2 · MS Excel
Spreadsheets
Using Microsoft Excel for data analysis, complex formulas, functions, charts, and data m…
Topic 3 · MS Access
Databases
Using Microsoft Access to create and manage relational databases. Understanding tables, …
Topic 4 · Web Development
HTML & Internet
Understanding how the internet works, and creating web pages using HTML and CSS. You'll …
Topic 5 · Computer Components
Hardware
Understanding computer components: CPU, RAM, storage, input/output devices, ports and th…
Topic 6 · Programs & Systems
Software
Types of software, operating systems, file management, and software licensing. Software …
Topic 7 · Connectivity
Networks
How computers connect and communicate: LAN, WAN, topologies, protocols, and network hard…
Topic 8 · Ethics & Society
Social Implications
The impact of technology on society: privacy, copyright, cybercrime, e-waste, health iss…
Topic 8 · Ethics & Society
Social Implications
The impact of technology on society: privacy, copyright, cybercrime, e-waste, health issues, and the digital divide. Social Implications carries significant marks in the NSC CAT theory paper.
Learning Pathway
1
Digital privacy is increasingly important. Every online action generates data. South Africa's POPIA (Protection of Personal Information Act), in full effect since 2021, gives citizens rights over their personal data — organisations must seek consent, state purpose, store data securely, and allow access/correction/deletion.
Copyright protects original works automatically in South Africa (no registration required), lasting the creator's lifetime plus 50 years. Software piracy (unauthorised use, copying, or distribution of software) violates the Copyright Act and ECT Act. The 2020 Cybercrimes Act added comprehensive digital crime legislation.
Core Concepts
POPIA
Protection of Personal Information Act (full effect July 2021). Eight conditions: accountability, processing limitation, purpose specification, further processing limitation, information quality, openness, security safeguards, data subject participation. Penalties: up to R10 million or imprisonment. Applies to all organisations handling SA citizens' data.
Copyright and IP
Copyright: automatic, lifetime + 50 years (SA). Covers: books, music, art, software, websites. Infringement: copy/distribute/adapt without permission. Creative Commons licences: CC BY (attribution), CC NC (non-commercial), CC SA (share-alike). Plagiarism: using others' work without attribution — academic and ethical violation.
Cybercrime types
Hacking: unauthorised system access. Phishing: fake communications stealing credentials. Identity theft: fraudulent use of personal info. Cyberbullying: digital harassment. Ransomware: encrypts files for payment. DDoS: server overload. Data breach: unauthorised data disclosure. Cyberstalking: targeted online harassment.
SA cybercrime laws
ECT Act (2002): hacking, cracking, cyberfraud. Cybercrimes Act No. 19 (2020): comprehensive — covers malware, cyberterrorism, data breach reporting, cyberbullying, unlawful interception. Films and Publications Act: harmful online content. RICA: communications interception. POPIA: personal data protection.
Key Formulas & Rules
POPIA: Protection of Personal Information Act (2021)
ECT Act: Electronic Communications & Transactions (2002)
Cybercrimes Act: No. 19 of 2020
Copyright: automatic, lifetime + 50 years (SA)
CC BY-NC: free use with attribution, non-commercial only
Worked Example
Thabo copies 10 songs from a friend's laptop and shares them in a group chat. Identify three legal/ethical issues.
1.Copyright infringement: music is protected; copying/sharing without permission violates the Copyright Act. Consequence: civil damages claim.
2.Digital piracy: distributing copyrighted content illegally. ECT Act and Cybercrimes Act criminalise this. Consequence: criminal charges, fines, or imprisonment.
3.Ethical issue: depriving artists of income from their creative work — not compensating creators who invested time and money.
NSC Exam Questions — Worked Solutions
NSC Q1
Thabo downloads a cracked version of Microsoft Word. (a) Identify THREE …
7 marks
Thabo downloads a cracked version of Microsoft Word. (a) Identify THREE laws he may be breaking. (b) State TWO risks of using cracked software.
✓
(a) Law 1: Copyright Act — the software is protected intellectual property. Using it without a valid licence infringes Microsoft's copyright.
Copyright Act correctly identified and explained
✓
(a) Law 2: ECT Act 2002 — distributing or downloading cracked software is a cybercrime under this Act.
ECT Act correctly identified
✓
(a) Law 3: Cybercrimes Act No. 19 of 2020 — criminalises distribution and possession of malware, which cracked software often contains.
Cybercrimes Act correctly identified
✓
(b) Risk 1: Cracked software often contains embedded malware, viruses, or ransomware that can steal data, encrypt files, or corrupt the system.
Malware risk correctly described
✓
(b) Risk 2: No automatic security updates — cracked software cannot receive patches, leaving the system exposed to known exploits.
No updates risk correctly described
i
Consequence: criminal charges with fines or imprisonment, and civil damages from Microsoft.
✓
Both the cracker and the user are liable under South African law — downloading constitutes possession of unlicensed software.
Both parties' liability correctly noted
NSC Q2
Explain POPIA and describe THREE rights it gives South African citizens …
6 marks
Explain POPIA and describe THREE rights it gives South African citizens regarding their personal data.
✓
POPIA (Protection of Personal Information Act, No. 4 of 2013, full effect July 2021) regulates the processing of personal information by public and private organisations.
POPIA defined with effective date and scope
✓
Right 1: Right to be notified — data subjects must be informed when their personal information is collected, who is collecting it, and why.
Notification right correctly described
✓
Right 2: Right of access — data subjects can request access to their personal information held by an organisation.
Access right correctly described
✓
Right 3: Right to correction/deletion — data subjects can request that incorrect information be corrected or deleted if there is no longer a lawful reason to keep it.
Correction/deletion right correctly described
✓
Organisations violating POPIA face penalties of up to R10 million and/or imprisonment.
Penalty stated correctly
✓
POPIA applies to all organisations handling personal data of South African citizens, including schools, hospitals, and businesses.
Scope of application correctly noted
2
Technology use has direct health impacts. Computer Vision Syndrome (CVS) — eye strain, headaches, blurred vision — comes from prolonged screen use. Repetitive Strain Injury (RSI)/Carpal Tunnel Syndrome affects wrists and hands from excessive typing. Poor posture causes back/neck pain. The 20-20-20 rule helps prevent CVS; ergonomic equipment prevents RSI.
The digital divide describes the gap between those with and without meaningful technology access. In South Africa this is pronounced: wealthy urban areas have fibre and modern devices while many rural and low-income communities lack reliable connectivity, affordable devices, and digital skills — deepening educational and economic inequality.
Core Concepts
Health issues
Computer Vision Syndrome (CVS): eye strain, dry eyes, headaches from screens. Prevention: 20-20-20 rule (every 20 min, look 20 feet away for 20 sec). RSI/Carpal Tunnel: repetitive wrist motions compress median nerve. Prevention: ergonomic keyboard/mouse, wrist rests, breaks. Poor posture: back/neck pain — correct chair height, screen at eye level.
E-waste
E-waste (electronic waste): discarded devices. Contains toxic substances: lead (solder), mercury (old screens), cadmium (batteries), chromium (plastics). Improper disposal contaminates soil and groundwater. Responsible disposal: secure data wipe, donate functional units, certified e-waste recyclers. SA recyclers: Dell Reconnect, Circular Energy.
Digital divide
Definition: gap between those with/without meaningful ICT access. Dimensions: access (can you get a device?), affordability (can you pay for data?), skills (can you use technology?), quality (is your connection reliable?). SA solutions: government broadband projects, school computer labs, public Wi-Fi, affordable smartphones, SA Connect policy.
Technology and employment
Automation risk: routine jobs replaced (data capturers, bank tellers, factory workers). New roles created: data scientists, cybersecurity analysts, app developers, UX designers. Gig economy: platforms (Uber, Bolt, Takealot) enable flexible work but lack employment benefits. Remote work: technology enables location-independent careers.
Key Formulas & Rules
Digital divide dimensions: access + affordability + skills + quality
E-waste toxins: lead, mercury, cadmium, chromium
CVS prevention: 20-20-20 rule
RSI prevention: ergonomic equipment + regular breaks
E-waste disposal: wipe data → donate/recycle (certified)
Worked Example
A school replaces 30 computers. Describe three responsible ways to handle the old computers.
1.Step 1 — Data wiping: securely erase all hard drives using data destruction software (or physical destruction). POPIA requires personal data is not accessible post-disposal.
2.Step 2 — Donation: if functional, donate to a community centre, NGO, or rural school to help bridge the digital divide.
3.Step 3 — Certified e-waste recycling: take non-functional units to a certified recycler who safely processes toxic materials (lead, mercury) per environmental regulations.