When we already have RAM (Random Access Memory), which is a kind of memory that is regarded as volatile, why do we need cache memory? Both cache memory and random access memory (RAM) rely on electrical parts known as transistors. If it's even conceivable, can a computer do all of its operations using only one kind of memory?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
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When we already have RAM (Random Access Memory), which is a kind of memory that is regarded as volatile, why do we need cache memory?
Both cache memory and random access memory (RAM) rely on electrical parts known as transistors. If it's even conceivable, can a computer do all of its operations using only one kind of memory?

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