Master Data Exchange for OCR A-Level Computer Science (H446) Paper 1 with this comprehensive topic-focused workbook covering databases, SQL, computer networks, encryption and web technologies.

Designed to strengthen theoretical understanding and practical problem-solving skills, this resource provides targeted revision and examination practice across the key areas of data exchange.

What’s Included:

• Database Concepts and Relational Databases
• Database Tables, Records and Fields
• Primary and Foreign Keys
• Entity Relationship Modelling
• SQL Queries and Commands
• SELECT, INSERT, UPDATE and DELETE
• WHERE, ORDER BY and GROUP BY
• Database Joins and Relationships
• Normalisation and Data Integrity
• Network Fundamentals and Architectures
• LAN, WAN, Client-Server and Peer-to-Peer Networks
• Network Protocols: TCP/IP, HTTP, HTTPS, FTP and DNS
• Packet Switching and Data Transmission
• Encryption and Decryption
• Symmetric and Asymmetric Encryption
• Public and Private Keys
• Digital Certificates and Digital Signatures
• Web Technologies, HTML, CSS and JavaScript
• Cookies, Sessions and Web Security

Why Choose This Resource?

• Provides focused revision of Data Exchange topics.
• Reinforces essential database and SQL knowledge.
• Develops understanding of network communication.
• Explains encryption and information security concepts.
• Supports examination preparation through targeted practice.
• Helps students identify knowledge gaps and improve confidence.
• Suitable for independent learning, homework and classroom teaching.

Suitable For:

OCR A-Level Computer Science H446 students, teachers, tutors and examination revision programmes.

Databases. SQL. Networks. Encryption. Web Technologies. Everything Students Need for Focused Data Exchange Revision!

Note: This is an independent educational resource, not an official OCR publication. Always refer to the latest OCR H446 specification for exact syllabus coverage.