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The standard PC parallel interface and the sequence of events of the transmission of data:
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Response to Question C) The standard PC parallel interface and the sequence of events of the transmission of data: Below is standard PC interface, the address bus operates in only one direction (from the processor) - i.e. it is uni-directional. The diagram shows the physical and logical characteristics and principal connections with signal directions. . Data Address Control The data bus is the most important bus as it is used to transfer information (data) from the processor to memory and vice versa. This data may be machine code instructions, ASCII codes, graphics data, etc. Since the required data may need to be read from or written to any memory location, the processor must have a way of selecting which memory location is required. This means that each memory location must have a unique number, which is called an address. The processor defines this address by placing the appropriate...
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