A microprocessor is capable of addressing 64 K bytes of

A microprocessor is capable of addressing 64 K bytes of memory. Its address bus width is—

In order to calculate no of bits
64 K = 2ⁿ
64 × 10²⁴ = 2ⁿ
2⁶ × 2¹⁰ = 2ⁿ
2¹⁶ = 2ⁿ
n = 16