Answer Posted / suzi

5 flags

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

900

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What are the different types of addressing modes?

1064

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What is an interrupt? List various types of interrupts available in 8051 microcontroller?

1145

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Define psp and its structure?

1075

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explain the difference between 8086 and 8088?

1173

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What is the difference between maskable interrupts and non-maskable interrupts?

1002

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State the two type of 16 bit registers and define them?

933

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Byte wise what are the lengths of call and ret instructions?

1373

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Define the functions of the dx register.

972

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What are the data pins of microprocessors? What is their use?

1019

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Which are the different data transfer schemes?

1047

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Explain about interrupt driven mode of data transfer

1019

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What type of interrupt is the “trap” and what does it do?

1108

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What is the difference between 8085 and 8086 in microprocessor?

1067

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List some 8051 microcontroller applications in embedded systems ?

1024

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