Computer Science 7516 Paper 2 June 2023, AQA AS-Level Past Papers with Mark Schemes

AQA AS Level Computer Science(7516) Jun 2023

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The exam emphasizes computer science fundamentals, covering number systems, data representation, and networking. Key topics include binary arithmetic, two’s complement, majority voting, and parity bit error detection. Data representation explores bitmap storage, sampling rate, and lossy compression effects. Boolean algebra tasks involve circuit truth table completion and expression simplification. Networking concepts include SSID, WPA2 protocols, MAC address filtering, and physical star topology. Assembly programming tasks cover pseudocode translation into low-level code and arithmetic operations. Ethical and legal considerations involve AI-driven applications and RFID access control, assessing implications of data privacy, security, and cultural impacts.