86 Family Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

86 Family Interview Questions

Questions Answers Views Company eMail

what are the differences between isolated i/o and memory mapped i/o

993

What are the steps involved in a fetch cycle

992

What are the advantages of memory segmentation in 8086

1080

The interrupt response time is determined by?

985

What is the purpose of the biu in the 8086?

966

After a pop instruction where does the stack pointer points?

988

What are the two major differences between intr and other interrupts (hardware)?

1474

explain the trap input for the 8085.

956

What are the different types of arithmetic operations that can be performed by the 8085 microprocessor? Explain with an example?

1061

Explain the internal architecture of the 8086 microprocessor?

1056

Define psp?

997

Define the architecture of the 8085 microprocessor?

935

What are the index registers in 8086?

1014

Classify interrupts on the basis of signals.

1002

What is the purpose of a buffer register in reference to 8085?

935

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Un-Answered Questions { 86 Family }

What is internal structure of 8086?

963

After a pop instruction where does the stack pointer points?

988

What is the difference between isr & function call?

1025

What are the different types of instructions responsible for data transfer instructions.

924

what is the undefined bits in flag registers of 8085 microprocessor?

2066

What is the RST for the TRAP?

1306

How to control and timing circuitry of the 8085.

954

Explain the difference between microcontroller and microprocessor?

1034

Are all the bits of flag register used in 8051?

941

What are the sources of an interrupt?

1022

What’s a microprocessor?

951

What are the functions of general purpose registers?

1058

Define bit, byte and word.

1257

What is the difference between 8085 and 8086 in microprocessor?

1010

Why 8051 is called 8 bit microcontroller?

1295

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