Overview
This lecture reviews the June 2022 DBE CAT Paper 2, covering its structure, types of questions, and model answers for exam preparation.
Exam Structure & Sections
- The exam is divided into three sections: A (25 marks), B (75 marks), and C (50 marks).
- Section A: Multiple choice, match the item, true/false.
- Section B: Written theory covering system technologies, networking, information management, and social implications.
- Section C: Integrated scenario-based questions.
Section A Highlights
- Multiple choice covers hardware, data storage, inputs, formulas, and security.
- Match the item involves pairing definitions with terms like RAM, LTE, resolution, spam.
- True/False: Correct misconceptions and replace with correct concepts (e.g., HDMI for video/audio).
Section B Highlights
- System Technologies: Importance of communication, storage types, UPS benefits, virtual vs. physical keyboards.
- Internet & Networks: Types of connections (e.g., fiber, ADSL), HTTPS advantage, ways to secure networks (firewalls, rights, encryption).
- Information Management: Questionnaire design, source verification, using charts to display data.
- Social Implications: Intellectual property examples, BYOD policy guidelines, hardware theft prevention, safe public hotspot usage.
Section C Highlights
- Integrated scenario questions applying knowledge to real-world events (e.g., talent show management, online education).
- Device selection (entry-level specs, benefits of tablets, online storage).
- Use of spreadsheets and databases for data handling (vlookup, formatting, data validation).
- Digital communications (using social media, email), 3D printing of trophies, online voting.
- Online learning: broadband definition, data speed units, video conferencing drawbacks, security/privacy (MFA, keyloggers).
Key Terms & Definitions
- RSI — Repetitive Strain Injury from repeated computer use.
- Biometrics — Using body features for authentication (e.g., fingerprint, face).
- Open Source Software — Free to use, modify, and share, but with less support.
- VPN — Virtual Private Network; secures and masks online activity.
- Broadband — High-speed, always-on internet connection.
- Metadata — Data about data (e.g., author, creation date).
Action Items / Next Steps
- Review definitions and functions of hardware, software, and security terms.
- Practice answering match the item, true/false, and scenario-based questions.
- Study spreadsheet/database features: vlookup, wildcards, formatting, data validation.
- Prepare for chart selection and questionnaire design.
- Complete practice papers for exam readiness.