Question:
What is the maximum addressing capacity of 8085 microprocessor?
What is the maximum addressing capacity of 8085 microprocessor?
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The addressing capacity of a microprocessor is determined by the width of its address bus: $2^n$ addresses for an $n$-bit bus.
Updated On: Jun 24, 2025
- 64 KB
- 32 KB
- 16 KB
- 8 KB
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The Correct Option is A
Solution and Explanation
The 8085 microprocessor has a 16-bit address bus.
This means it can generate $2^{16}$ different addresses.
\[ 2^{16} = 65,536\ \text{memory locations} = 64\ \text{KB} \]
So, the 8085 can access a maximum of 64 KB of memory.
This capacity refers to the total addressable memory space, not the size of individual memory units.
Hence, the correct answer is 64 KB.
This means it can generate $2^{16}$ different addresses.
\[ 2^{16} = 65,536\ \text{memory locations} = 64\ \text{KB} \]
So, the 8085 can access a maximum of 64 KB of memory.
This capacity refers to the total addressable memory space, not the size of individual memory units.
Hence, the correct answer is 64 KB.
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