Computer Science • A levels

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Computer Science ➜ A levels ➜ Chapters

Notes for Computer Science Theory and Programming. Contents: Data Transmission, Software, The internet and its Uses, and Automated and emerging technologies, Algorithms and Programming.

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Information representation Binary magnitudes, Number Systems, Binary Coded Decimals (BCD), how data for a bitmapped images and vector images are encoded, calculations to estimate the file size, image quality and file size affects file size, image quality and file size, Sample Rate...

2

Communication and networking technologies Benefits of networking Devices, Types of Networks (PAN, LAN, MAN, WAN), client-server and peer-to-peer models, thin-client and thick-client, bus, star, mesh and hybrid topologies, cloud computing, use of wireless and wired networks, Ethernet Collisions...

Computer Science Chapter Select

Notes

A section showcasing my personal Notes tailored for the Cambridge IGCSE and AS curriculum. Contents: Physics, Chemistry, Computer Science and German.

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Chapter 1: Data Transmission (IGCSE)

Components of a Packet, How Cyclic-Redundancy Checks work, Packet Switching, Data Transfer and more about USB, More about parity checks, checksum...