65536
12868
16556
643897 E. None of the above
Answer is Right!
Answer is Wrong!
The correct answer is A. 65536.
A 16-bit address can store 2^16 = 65536 different values.
Option B is incorrect because 12868 is not a power of 2.
Option C is incorrect because 16556 is not a power of 2.
Option D is incorrect because 643897 is not a power of 2.
Option E is incorrect because 65536 is the highest possible value for a 16-bit address.