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Question Id : 10756 | Context :NIMCET 2021

Question

Which of the following is the fastest means of memory access for CPU?
🎥 Video solution / Text Solution of this question is given below:

✅ Concept:

The fastest means of memory access for the CPU refers to the storage that allows the quickest retrieval of data. This is crucial for efficient processing and performance.

✅ Explanation of Options:

  • Registers: Registers are the fastest form of memory access because they are directly in the CPU. However, they are very small and not used for regular memory storage.
  • Cache: Cache memory is the most effective and frequently used type of memory, as it stores frequently accessed data for fast retrieval. It is still slower than registers but much faster than main memory.
  • Main Memory: Main memory (RAM) is slower than both cache and registers, but it provides larger storage for currently active processes.
  • Stack: The stack is used for storing function calls and local variables. While it is quick, it still doesn't surpass cache memory in terms of speed.

✅ Final Answer:

The fastest means of memory access for the CPU is Registers.

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