Chapter 8 – DataBases
1. Database Basics 1.1 Key Definitions Term Definition Example Database Organized collection of structured data. A holiday booking system storing customer and holiday details. Table… Read More »Chapter 8 – DataBases
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CS AS 9618
Chapter 7: Ethics and Ownership
1. Ethical Considerations in Computing Why Ethics Matter: Key Ethical Issues: Issue Example Ethical Solution Privacy Unauthorized data collection by apps. Implement GDPR compliance, user… Read More »Chapter 7: Ethics and Ownership
Chapter 6: Security, Privacy & Data Integrity
1. Key Definitions Term Definition Example Data Security Protecting data from unauthorized access, corruption, or theft. Encryption, firewalls, passwords. Data Privacy Controlling who can access… Read More »Chapter 6: Security, Privacy & Data Integrity
Chapter 5: System Software
1. Operating System (OS) Basics Definition:Software that manages hardware/resources and provides a user interface. Key Functions: Examples: Windows, Linux, macOS. 2. Utility Software Utility Purpose Performance… Read More »Chapter 5: System Software
Chapter 4 – Processor Fundamentals
1. Central Processing Unit (CPU) Architecture Exam Focus: Theory: Practice: 2. Assembly Language & Addressing Modes Exam Focus: Theory: Practice: 3. Bit Manipulation Exam Focus:… Read More »Chapter 4 – Processor Fundamentals
Chapter 2: Communications
1. Network Types & Topologies Key Concepts: Topologies: Topology Description Advantages Disadvantages Star All devices connect to a central switch/router. Easy to add devices; fault… Read More »Chapter 2: Communications
Chapter 1: Information Representation
1. Binary, Denary & Hexadecimal Key Concepts: Conversions: Past Paper Example (2023 Q1c):Question: Convert F0₁₆ to denary.Marking Scheme Answer: Common Errors: 2. Binary Arithmetic Key… Read More »Chapter 1: Information Representation
Chapter 3: Hardware
1. Logic Gates & Circuits Theory: Past Paper Example (2023 Q5a):Question: Draw the circuit for X = NOT (A OR B OR C) OR (B… Read More »Chapter 3: Hardware