Which best represents write-back cache? A memory read is read both from the cach

Question

Which best represents write-back cache?

   A memory read is read both from the cache and RAM simultaneously
   A memory write is only written to cache until the cache becomes full
   A memory write is written both to the cache and RAM simultaneously
   A memory read is only read from cache until the cache becomes empty


What operation is cache intended to speed up?

   Reading or Writing RAM
   ALU operations
   Binary logic
   Floating point arithmetic


Which best represents write-through cache?

   A memory read is only read from cache until the cache becomes empty
   A memory write is only written to cache until the cache becomes full
   A memory write is written both to the cache and RAM simultaneously
   A memory read is read both from the cache and RAM simultaneously


There are multiple levels of cache. Level 1 represents which level of cache?

   Cache closest to the FPU
   Cache closest to the ALU
   Cache closest to RAM
   Cache closest to the CPU


When the CPU requests a memory address whose value is not in cache, this is called what?

   Cache tag
   Cache hit
   Cache delay
   Cache miss

Explanation / Answer

Please find the answers in bold

Which best represents write-back cache?

A memory write is written both to the cache and RAM simultaneously

What operation is cache intended to speed up?

Reading or Writing RAM

Which best represents write-through cache?

          A memory write is written both to the cache and RAM simultaneously

There are multiple levels of cache. Level 1 represents which level of cache?

Cache closest to the CPU

When the CPU requests a memory address whose value is not in cache, this is called what?

Cache miss

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