Computer Science 7517/2 June 2020

AQA A Level Computer science (7517) Jun 2020

معلم موافق رایگان بودن است.

The exam evaluates computer science principles, including data representation, system architecture, and functional programming. Topics include floating-point representation, sampling in sound digitization, and von Neumann versus Harvard architecture. Relational database questions assess CRUD operations, SQL queries for filtering and sorting, and primary key design. Networking concepts cover DHCP, NAT, and packet routing. Boolean algebra tasks involve truth tables, logic circuits, and Boolean simplifications. Functional programming emphasizes higher-order functions, recursion, and fold operations. Additional topics include assembly language tasks for encryption algorithms and ethical considerations in algorithmic news curation. The paper integrates problem-solving and theoretical application.