In this slightly longer bite size podcast I discuss secondary storage: What is it? What are the 3 types you need to know about for GCSE? What are the 6 characteristics of storage types that you need to be aware of for answering analytical questions in the exam. --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

Bite size revision for GCSE Computer Science

1.3 Secondary Storage - uses, types & characteristics

Mrs James is back discussing what you need to know about virtual memory and flash storage for your Computer Science GCSE (J276) Specifcally It covers: the need for virtual memory  flash memory Have a question? Feel free to drop me an audio message at  https://anchor.fm/bitesize-computer-science And I'll try to answer it in the next podcast --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

1.2.2 Virtual memory & flash storage

Welcome back! This bite size revision podcast covers the purpose of RAM and ROM memory types and the two main differences between them. As always if you have any questions feel free to message me here: https://anchor.fm/bitesize-computer-science --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

1.2.1 RAM and ROM - their purpose and main differences

I'll be discussing the 3 factors that affect the performance of the CPU, specifically : The clock speed The Cache size The number of cores If you have any questions feel free to message me here: https://anchor.fm/bitesize-computer-science --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

1.1.2 Factors that affect the performance of the CPU

Today we're looking at the purpose of the CPU, specifically the following parts from the OCR Computer Science Specification (https://www.ocr.org.uk/images/225975-specification-accredited-gcse-computer-science-j276.pdf) the purpose of the CPU  Von Neumann architecture: MAR (Memory Address Register) MDR (Memory Data Register)  Program Counter  Accumulator  common CPU components and their function: ALU (Arithmetic Logic Unit) CU (Control Unit) Cache the function of the CPU as fetch and execute instructions stored in memory  clock speed --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

1.1.1 The purpose of the CPU

This short episode is a welcome session to discuss what I will be covering (and what I won't) and a task for you to get hold of a copy of the topic list (from the OCR website) so you know what order the topics I will be covering over the coming weeks. Link is here for your information: https://www.ocr.org.uk/images/225975-specification-accredited-gcse-computer-science-j276.pdf Print it out and get highlighting and I'll be back next week with the first topic episode. Send me a voice message to ask any specific questions and I may include your questions in future episodes --- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

Podcast intro

--- Send in a voice message: https://anchor.fm/bitesize-computer-science/message

Bite size revision for GCSE Computer Science (Trailer)

Helping you revise for your GCSE Computer Science exam with bite size podcast episodes from each of the topics from an experienced teacher

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Bite size revision for GCSE Computer Science

hubhopper