A memory system has 20-bit address bus, 8-bit data bus. What is the maximum memory capacity?
Q1. A memory system has 20-bit address bus, 8-bit data bus. What is the maximum memory capacity?
Answer: 1 MB
Explanation: Maximum memory capacity = 2^address bits = 2²0 = 1 MB, since each address points to a byte (8-bit data bus).