The GATE Grind

GATE 2026 EC – Question 42

Digital Circuits · Semiconductor Memories · 2 marks · Multiple choice

The address of the first location of a 256 kilo byte (KB) memory is $(2500)_H$. Choose the correct address of the last location of the memory.

  1. $(2FFF)_H$
  2. $(124FF)_H$
  3. $(424FF)_H$
  4. $(324FF)_H$

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Show answer and explanation

Correct answer: (C) $(424FF)_H$

Explanation

256 KB $=2^{18}=(40000)_H$ locations. The last address is $(2500)_H+(3FFFF)_H=(424FF)_H$.