AExE02 · Chapter 2Digital Logic & Microprocessor🏛️ Past Licensure QuestionID: bba7f6b7
Consider a computer with 8 Mbytes of main memory and 128 K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?
Consider a computer with 8 Mbytes of main memory and 128 K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?
Multiple Choice Options
- A
2048
- B
256
- C✓ Correct Option
64
- D
32
Detailed Technical Solution & Explanation
According to standard engineering principles, for Consider a computer with 8 Mbytes of main memory and 128 K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?, the correct choice is 64.
Option Analysis:
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Option A (2048): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
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Option B (256): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
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Option C (64): Correct. Valid technical statement directly addressing the question requirement.
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Option D (32): Incorrect. Does not satisfy the technical condition or specifies an alternate/invalid property.
Reference: Mock Test 01NEC Licensure Syllabus