Question
Given: 2MB of physical memory, made up of multiple chips 256K in size each, and a CPU with a 24 bit address bus and a
Given: 2MB of physical memory, made up of multiple chips 256K in size each, and a CPU with a 24 bit address bus and a 32 bit data bus, answer the following questions:
1. Suppose I replaced the 256K RAM chip at the highest address, with a 256K EPROM chip, what would the address be of the lowest byte in the EPROM?
2. For the address lines that are used to select a specific 256K chip, which logic component would be best to take the address and assert only one signal? Specify the size of this component.
3. Sketch the circuit showing the CPU, the memory, and any logic components used to select that memory.
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