Answer Posted / prathima

address latch enable is an output pulse for latching the low byte of the address during access to external memory.

What type of instruction is cpi ‘c’ and define the action it performs?

1098

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Which are the different data transfer schemes?

964

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What is the purpose of the sign flag in 8085?

933

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What is the purpose of data moving instructions? Name any two such instructions?

993

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What is the function of eu?

1053

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

942

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What is the purpose of the biu in the 8086?

965

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Explain the internal architecture of the 8086 microprocessor?

1052

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

1098

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What are the software instructions related to stack operations?

1051

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Describe the general purpose registers of 8085?

999

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State an interrupt that is not level sensitive?

1061

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

1088

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What are the typical errors associated with using stack in a program?

1063

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How are time delays calculated in the 8085?

1027

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