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Turing House
KS4 Curriculum Guide - Year 10 Computer Science
Term 1Systems Architecture
The unit begins by looking at the various components of the CPU used in the Von Neumann architecture. Subsequent lessons build on the fundamentals covered at KS3 in our unit of Understanding Computers unit, concentrating on RAM, ROM, cache and the need for virtual memory. The unit concludes by examining the need for secondary storage devices and their practical advantages in given applications
Assessment: Students sit an assessment test comprising questions similar to those found on the GCSE exam paperKey Words and Terms
 
Term 1, 2,3,4,5,6Programming Concepts and Practical Application
In this unit students will learn what an algorithm is and be able to create algorithms to solve specific problems using sequence, selection and iteration. Students will learn how to express algorithms using flow diagrams and pseudocode, using suitable variables and arithmetic, relational and Boolean operators. They will also be able to analyse, assess and compare different algorithms for given scenarios. Although this unit assumes that students have had some exposure to programming in Python, all the basics are covered and students with no experience should quickly be able to catch up. All the basic programming syntax that students will require at GCSE level, giving numerous examples of how to write Python programs to solve different types of problem. Summarises some of the most common programming techniques used, such as validating data entry and creating a menu system with separate functions for each of the menu options.
Assessment: Students will sit a written End of Unit Assessment and complete a programming challenge including a written report. Key Words and Terms
 
Term 2System Software and Security
Lessons cover network threats and ways of identifying preventing vulnerabilities, operating system and utility software.
Assessment: Students sit an assessment test comprising questions similar to those found on the GCSE exam paperKey Words and Terms
 
Term 3Data Representation
Units of information and the conversion of integers from decimal to binary and vice versa are covered in the first lesson. In the next two lessons, binary arithmetic, the use of hexadecimal numbers and the binary representation of characters are described. Check digits are also covered by practical example. Representation of images and sound, and compression techniques are covered in three separate lessons.
Assessment: Students sit an assessment comprising questions similar to those found on the GCSE exam paperKey Words and Terms
 
Term 4Algorithms - Computational Thinking
Introduces the concepts of computational thinking; abstraction, decomposition and algorithmic thinking. Lessons on standard searching and sorting algorithms are followed by two lessons on developing algorithms using flow diagrams and pseudocode. The unit finishes with a lesson on interpreting, correcting and completing algorithms.
Assessment: A written end of unit assessmentKey Words and Terms
 
Term 5Networks
The unit begins by explaining the Internet and IP addressing, with practical exercises to help students understand the role of packet switching and DNS services. The lessons move on to look at LAN network topologies and Ethernet, with further material on virtual networking. Wireless networking, frequencies and encryption are covered in a subsequent lesson. Client-server networks and hosting are addressed with a final lesson describing common protocols and the concept of layers.
Assessment: At the end of the unit, students sit an assessment test comprising questions similar to those found on the OCR exam paper. Key Words and Terms
 
Term 6Ethical, legal, cultural and environmental impacts of digital technology
Different computer technologies and applications and the ethical, environmental and legal considerations surrounding them are discussed
Assessment: Students sit an assessment comprising questions similar to those found on the GCSE exam paperKey Words and Terms
 

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