Multiple choice technology platforms and products A 64bit system can have maximum ____________ GB of memory. 64 17.2 billion 128 16 million Reveal answer Fill a bubble to check yourself B Correct answer Explanation A 64-bit system can address 2^64 unique memory locations, which equals approximately 17.2 billion gigabytes (16 exabytes). This is because each additional bit doubles the addressable memory space - 2^64 bytes is the theoretical maximum.