What is cache memory? How it is different from register?

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Suresh Chand · Accepted Answer

Cache memory is a small-sized type of volatile computer memory that provides high-speed data access to a processor and stores frequently used computer programs, applications and data. A temporary storage of memory, cache makes data retrieving easier and more efficient. It is the fastest memory in a computer, and is typically integrated onto the motherboard and directly embedded in the processor or main random access memory (RAM). Difference between Cache Memory and Register : S.No. CACHE MEMORY REGISTER 1. Cache is a smaller and fastest memory component in the computer. Registers is a small amount of fast storage element into the processor. 2. Cache memory is exactly a memory unit. It is located on the CPU. 3. It is used during reading and writing processes from the disk. It is used to store and retrieve information from them. 4. It is a high-speed storage area for temporary storage. It is used to store data temporarily for processing and transfer. 5. It copied the recently used data into. It holds operands or instruction that CPU is currently processing. 6. It reduces the average memory access time. It reduces the time required to find the item stored in memory. 7. CPU accesses memory at the faster rate than register. CPU can operate on register contents at the rate of more than one operation in one clock cycle. 8. Dynamic Page Cache, Database Query Cache are example of cache. Loop counters is example of register.

What is cache memory? How it is different from register?

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What is cache memory? How it is different from register?

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