A-level Computing 2009/AQA/Problem Solving, Programming, Operating Systems, Databases and Networking

< A-level Computing 2009 < AQA

The Unit 3 exam, called Problem Solving, Programming, Operating Systems, Databases and Networking, unit code COMP3, represents 30% of your final A-Level. The time allowed is 2 hours 30 minutes and there are 100 marks available.

This Unit comprises 6 subsections listed below:

A-level Computing 2009 : Unit 3

Problem Solving	Big O Notation · Turing Machines · Finite State Machines · Backus-Naur Form (BNF) · Reverse Polish Notation

Programming Concepts	Programming paradigms · Object-oriented programming (OOP) · Pointers · Recursive Techniques · Abstract data types and data structures · Stacks · Queues · Lists · Graphs · Trees · Tree traversal algorithms for a binary tree · Binary search · Insertion sort · Hashing · Simulations

Real Numbers	Floating point numbers · Normalisation · Errors

Operating Systems	Role of the operating system · Provision of a virtual machine · Resource management · Operating system classifications

Databases	Databases · Primary keys · Entity relationship modelling · Normalisation · SQL · SELECT · UPDATE · INSERT · DELETE · Data definition language · Security

Communication and Networking	Communication Methods · Networks · Wireless Networks · Server-side scripting · Internet Security

Definitions

Unit 3 definition list

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