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 is the difference between MOV and MVI?

15 73578

What are the functions of RIM, SIM, IN?

Pappu Sons, Wipro,

10 71701

What is the immediate addressing mode?

13 28792

What are the different flags in 8085?

Spectra Innovations, TCS, Wipro,

24 93508

What happens during DMA transfer?

9 27808

What do you mean by wait state? What is its need?

2 23963

What is PSW?

DRDO,

11 52779

What is ALE? Explain the functions of ALE in 8085.

17 153587

What is a program counter? What is its use?

9 83866

What is an interrupt?

TCS,

13 20707

Which line will be activated when an output device require attention from CPU?

4 13787

Give two ways of converting a two input NAND gate to an inverter ?

2 17008

Given a circuit, draw its exact timing response?

ATS,

3241

What are set up time & hold time constraints What do they signify Which one is critical for estimating maximum clock frequency of a circuit?

AMD,

1 8884

Give a circuit to divide frequency of clock cycle by two ?

6 14754

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Un-Answered Questions { 86 Family }

What type of architecture is used in 8085 microprocessor?

526

What does the parity flag do?

577

What is meant by a bus?

614

Which register handles the arithmetic operations in the 8085?

598

What is the purpose of pipe lining in reference to 8086?

595

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

586

Explain what is microcontroller?

616

State the total number of pins in the 8085 microprocessor?

550

Introduction of 8051 microcontroller architecture?

613

What is the maximum internal clock frequency of 8086?

649

What is the position of the stack pointer after the pop instruction?

621

How much total external data memory that can be interfaced to the 8051?

776

What are the advantages of memory segmentation in 8086

627

write the assembly language programming to find the 2's complement for a string of 100 bytes

731

State the type of addressing modes supported by the 8086?

584

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