To answer the question about how memories are classified, we need to consider the common characteristics used in computer architecture and memory management.

### Analysis of Options
1. **A. Speed**: This refers to how fast data can be read from or written to memory. Different types of memory (e.g., RAM, cache) are classified based on their speed.
2. **B. Indexes**: While indexing can be a method used in databases and certain data structures, it's not a standard classification criterion for types of memory.
3. **C. Paging**: This is a memory management scheme that eliminates the need for contiguous allocation of physical memory and is related to how virtual memory is managed, but not a direct classification of memory types.
4. **D. Cost**: Different types of memory have different costs associated with their use (e.g., SSDs are usually more expensive than HDDs).

### Conclusion
Considering these options, the most relevant choices for classifying memories are **A. Speed** and **D. Cost**. However, since the question suggests a two-choice format, the most conventional choice is **A. Speed**.

### Final Answer
**A. Speed**.

Question

To answer the question about how memories are classified, we need to consider the common characteristics used in computer architecture and memory management.

### Analysis of Options
1. **A. Speed**: This refers to how fast data can be read from or written to memory. Different types of memory (e.g., RAM, cache) are classified based on their speed.
2. **B. Indexes**: While indexing can be a method used in databases and certain data structures, it's not a standard classification criterion for types of memory.
3. **C. Paging**: This is a memory management scheme that eliminates the need for contiguous allocation of physical memory and is related to how virtual memory is managed, but not a direct classification of memory types.
4. **D. Cost**: Different types of memory have different costs associated with their use (e.g., SSDs are usually more expensive than HDDs).

### Conclusion
Considering these options, the most relevant choices for classifying memories are **A. Speed** and **D. Cost**. However, since the question suggests a two-choice format, the most conventional choice is **A. Speed**.

### Final Answer
**A. Speed**.

Knowee AI · Accepted Answer

To answer the question about how memories are classified, we need to consider the common characteristics used in computer architecture and memory management.

### Analysis of Options
1. **A. Speed**: This refers to how fast data can be read from or written to memory. Different types of memory (e.g., RAM, cache) are classified based on their speed.
2. **B. Indexes**: While indexing can be a method used in databases and certain data structures, it's not a standard classification criterion for types of memory.
3. **C. Paging**: This is a memory management scheme that eliminates the need for contiguous allocation of physical memory and is related to how virtual memory is managed, but not a direct classification of memory types.
4. **D. Cost**: Different types of memory have different costs associated with their use (e.g., SSDs are usually more expensive than HDDs).

### Conclusion
Considering these options, the most relevant choices for classifying memories are **A. Speed** and **D. Cost**. However, since the question suggests a two-choice format, the most conventional choice is **A. Speed**.

### Final Answer
**A. Speed**.

Memories are normally classified according to their (two choice)A.speedB.indexesC.pagingD.cost

Question

Memories are normally classified according to their (two choice)

Solution

Analysis of Options

Conclusion

Final Answer

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