In this session: What is main memory (RAM), what are the features of main memory, what is ROM, what are the features of ROM, what is virtual memory, why is virtual memory needed.
Chapters:
0:00 Intro
0:24 What is main memory?
1:16 What is read-only memory?
2:06 What is virtual memory?
3:04 Memory exam questions
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I'd recommend pausing the video on the questions at the end to test yourself on this topic - additionally, make yourself flash cards to test yourself, example:
On the front: what affects the CPU performance?
On the back: The CPU clock speed will determine how many FDE cycles can be performed in one second. The CPU can execute more instructions with additional cores as each core works independently.
Mr Moore
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What is memory | OCR GCSE (J277) 9-1 Computer Science
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