Secret of 2^10 in ICT – UGC NET Question

Traditionally, 1 KB = 2¹⁰ bytes = 1024 bytes in binary-based memory systems.

Option A:
Option A correctly ties KB to 2¹⁰ = 1024 in traditional computing usage.

Option B:
Option B (1000) is SI decimal kilo used in some contexts, not the traditional binary definition.

Option C:
Option C (512) equals 2⁹, not 2¹⁰.

Option D:
Option D (2048) equals 2¹¹, i.e., two traditional kilobytes.