Answer Posted / avinash rajbhar

1.direct addressing mode
2.indirect addressing mode
3.immediate addressing mode
4.implicit addressing mode
5.impliedaddressing mode

What are the index registers in 8086?

1101

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Explain the architecture of 8051 microcontroller ?

998

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How many interrupts are there in 8085?

1088

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Explain the two types of software?

1029

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Can an rc circuit be used as clock source for 8085?

1252

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What is the main difference between 8085 and 8086 processors?

1043

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What is 8251?

1172

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What are the total number of input and output ports in 8085?

1183

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Define the functions of the dx register.

971

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Name the special purpose registers?

1057

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What is address bus, data bus and control bus in microprocessor 8051 ?

1183

---

What is the purpose of the ale pin?

1138

---

Why subroutine used in programs?

1161

---

What is the bhe signal?

1091

---

Explain the different modes of operations of the 8086?

1000

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