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

86 Family Interview Questions

Questions Answers Views Company eMail

Explain the functions of the two dma signals hold and hlda?

672

What are the functions of base registers?

609

Comment the size of stack?

575

Describe the instruction register of 8085?

621

What is the distinguishing feature of db and ab?

1246

Explain xthl, daa, rc instructions.

723

What are the functions of general purpose registers?

607

Why the lower byte address bus(a0-a7) and data bus (d0-d7) are multiplexed?

1206

Mention the addressing modes of 8085?

645

Explain sphl instruction?

689

Name the pin in 8086 microprocessor that is used for selecting mode of operation?

604

Mention interrupts pins of 8085?

707

What is meant by address space? What is meant by address space partitioning?

577

Mention the types of interrupts that 8085 supports?

587

How subroutine can be called from the main program and how the program returns from the subroutine?

537

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Un-Answered Questions { 86 Family }

Other than setb, clr are there any single bit instructions?

587

What is the significance of the hold and hlda pins?

585

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

719

In what is the ready pin of a microprocessor used

677

Differentiate between div and idiv instructions with the help of examples.

2014

explain the various functional blocks of the 8085 microprocessor.

573

What number of the times the instruction sequence below will loop before coming out of loop is MOV AL, 00hA1: INC AL JNZ A1

968

What is the use of microprocessors?

577

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

621

Define byte?

645

Explain an interrupt?

602

What are the steps involved in a fetch cycle

574

What is the bus in a microcontroller?

579

What are hardware interrupts?

588

Comment the size of stack?

575

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