Answer Posted / priya

Accumulator is register simply.. . It performs 2 functions.. if the operation (a+b) is performed..1) one of the two operands will be stored .. 2) result of the operation will be stored

Why is the address bus in the 8085 tri-stated and unidirectional?

1175

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Explain the flag register in the 8085 microprocessor?

1044

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What is 8255?

1113

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Explain db?

1149

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Why memory width is not 16-bit? In stead of having 8-bit (same as 8085)?

1160

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What is the significance of the control unit in the 8085?

1056

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What is the purpose of the sign flag in 8085?

1023

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Write a program that will store the contents of an accumulator and flag register at locations 2000h and 2001h.

935

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explain about the characters of internal interrupts?

1243

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With the help of an example explain how physical address is calculated?

1064

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Describe the aaa instruction with the help of an example?

1049

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What is the distinguishing feature of db and ab?

1787

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Define edge or level sensitive interrupts?

1158

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Explain the internal architecture of the 8086 microprocessor?

1179

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In the instruction FADD, What does F stands for

1302

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