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Which of the following lists memory types from highest to lowest access speed?
- a)Secondary storage, main memory, cache, registers
- b)Registers, cache, secondary storage, main memory
- c)Registers, cache, main memory, secondary storage
- d)Cache, registers, main memory, secondary storage
Correct answer is option 'C'. Can you explain this answer?
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Which of the following lists memory types from highest to lowest acces...
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Which of the following lists memory types from highest to lowest acces...
Registers, Cache, Main Memory, Secondary Storage
- Registers: Registers are the smallest and fastest storage units in a computer system. They are located in the CPU and are used to hold data that is currently being processed. Registers have the highest access speed as they are directly accessible by the CPU.
- Cache: Cache is a small and fast memory that is located between the CPU and main memory. It is used to store frequently accessed data and instructions to reduce the latency of accessing main memory. Cache has a slower access speed compared to registers but is still faster than main memory.
- Main Memory: Main memory, also known as RAM (Random Access Memory), is the primary storage unit of a computer system. It is larger in size compared to cache and is used to store data and instructions that are currently being used by the CPU. Main memory has a slower access speed compared to cache but is faster than secondary storage.
- Secondary Storage: Secondary storage refers to non-volatile storage devices such as hard drives, solid-state drives, and optical drives. It is used to store data and instructions that are not currently being used by the CPU. Secondary storage has the slowest access speed among all the memory types mentioned in the options. Data needs to be transferred from secondary storage to main memory before it can be accessed by the CPU.
Therefore, the correct order of memory types from highest to lowest access speed is:
Registers > Cache > Main Memory > Secondary Storage
- Registers: Registers are the smallest and fastest storage units in a computer system. They are located in the CPU and are used to hold data that is currently being processed. Registers have the highest access speed as they are directly accessible by the CPU.
- Cache: Cache is a small and fast memory that is located between the CPU and main memory. It is used to store frequently accessed data and instructions to reduce the latency of accessing main memory. Cache has a slower access speed compared to registers but is still faster than main memory.
- Main Memory: Main memory, also known as RAM (Random Access Memory), is the primary storage unit of a computer system. It is larger in size compared to cache and is used to store data and instructions that are currently being used by the CPU. Main memory has a slower access speed compared to cache but is faster than secondary storage.
- Secondary Storage: Secondary storage refers to non-volatile storage devices such as hard drives, solid-state drives, and optical drives. It is used to store data and instructions that are not currently being used by the CPU. Secondary storage has the slowest access speed among all the memory types mentioned in the options. Data needs to be transferred from secondary storage to main memory before it can be accessed by the CPU.
Therefore, the correct order of memory types from highest to lowest access speed is:
Registers > Cache > Main Memory > Secondary Storage
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Which of the following lists memory types from highest to lowest access speed?a)Secondary storage, main memory, cache, registersb)Registers, cache, secondary storage, main memoryc)Registers, cache, main memory, secondary storaged)Cache, registers, main memory, secondary storageCorrect answer is option 'C'. Can you explain this answer?
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