The address bus width of a memory of size 1024 × 8

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The address bus width of a memory of size 1024 × 8 bits is

1. 10 bits
2. 13 bits
3. 8 bits
4. 18 bits

Correct Option: A

There are 1024 memory locations
∴ 1024 = 210
Hence address bus width = 10 bits.