Practice Data Bus Size And Its Relation To Memory (14.1.5)

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6 sample questions

Question 1.
What is the maximum number of memory locations addressed by an 8-bit address bus?
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Think about \\(2^8\\).
Question 2.
How many bytes are there in a kilobyte?
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Consider binary measurements.
3Question 3.
What is the maximum number of memory locations that can be addressed by a 12-bit address bus?
- 512
- 4096
- 2048
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Think in powers of two.
4Question 4.
Is a 64-bit address bus capable of addressing 16 Terabytes of memory?
- True
- False
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Recall the formula for capacity.
Question 5.
A CPU has a 20-bit address bus. How many memory locations can it access? Now, how would that change if each location holds 4 bytes?
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Calculate both parts separately.
Question 6.
If a memory module is designed for 8 GB with a 32-bit address bus and you're using 4 bytes at each location, how many addressable memory locations would there be?
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Focus on the conversion from gigabytes to bytes first.

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