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How many input-output ports can be accessed by direct method of 8085 μp?
- a)8
- b)256
- c)32 K
- d)64 K
Correct answer is option 'B'. Can you explain this answer?
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How many input-output ports can be accessed by direct method of 8085 μ...
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Direct Method of Accessing Input-Output Ports in 8085 μp
The input-output ports in 8085 μp can be accessed using two methods, namely direct method and indirect method. The direct method of accessing input-output ports involves the use of IN and OUT instructions, which are used to read data from input ports and write data to output ports, respectively.
Number of Input-Output Ports Accessible by Direct Method
The number of input-output ports that can be accessed by the direct method of 8085 μp depends on the number of bits used to specify the port address in the IN and OUT instructions. In 8085 μp, the port address is specified using 8 bits, which means that the maximum number of ports that can be accessed using the direct method is 2^8 = 256.
Hence, the correct answer is option B, which states that 256 input-output ports can be accessed by the direct method of 8085 μp.
Direct Method of Accessing Input-Output Ports in 8085 μp
The input-output ports in 8085 μp can be accessed using two methods, namely direct method and indirect method. The direct method of accessing input-output ports involves the use of IN and OUT instructions, which are used to read data from input ports and write data to output ports, respectively.
Number of Input-Output Ports Accessible by Direct Method
The number of input-output ports that can be accessed by the direct method of 8085 μp depends on the number of bits used to specify the port address in the IN and OUT instructions. In 8085 μp, the port address is specified using 8 bits, which means that the maximum number of ports that can be accessed using the direct method is 2^8 = 256.
Hence, the correct answer is option B, which states that 256 input-output ports can be accessed by the direct method of 8085 μp.
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How many input-output ports can be accessed by direct method of 8085 μp?a)8b)256c)32 Kd)64 KCorrect answer is option 'B'. Can you explain this answer?
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