With reference to electronic storage (memory) used in a typical MPU system: expl

Question

With reference to electronic storage (memory) used in a typical MPU system: explain the meaning, purpose or significance of the following terms: capacity, NOT-chip-select(CS) or NOT-chip-enable(CE) input, NOT-output-enable (OE) input, read only memory(ROM), read/write memory(RAM). Refer to Figure TMA3-3 Storage map and hence: assuming byte-size data, obtain and specify the capacity of each segment of storage shown, including unused regions. state the number of address bits associated with each storage segment Figure TMA3-3. Storage map

Explanation / Answer

Dear Capacity: specifies the memory capacity in terms of storage CS orCE: chip select or chip enable which is when set to low atarts or enables the microprocessor OE: It must be low. It specifies the bidirectional data flow between memory and microprocessor. ROM:(Read only Memory) used to hold instructions for starting up the computer. It is a non-volatile means once processor is turn off information reamins still. RAM: (Random access Memory) is a volatile storage area used by processor. A program that need to execute is loaded in to memory which allows CPU direct accessto the program. Hope this will help you

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