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 75810

What are the functions of RIM, SIM, IN?

Pappu Sons, Wipro,

10 73198

What is the immediate addressing mode?

13 30189

What are the different flags in 8085?

Spectra Innovations, TCS, Wipro,

24 96168

What happens during DMA transfer?

9 28922

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

2 24474

What is PSW?

DRDO,

11 54443

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

17 157228

What is a program counter? What is its use?

9 85293

What is an interrupt?

TCS,

13 22281

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

4 14417

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

2 17544

Given a circuit, draw its exact timing response?

ATS,

3420

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 9204

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

6 15581

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Un-Answered Questions { 86 Family }

In how many groups can the signals of 8085 be classified?

869

Which interrupt has the highest priority?

878

Explain transmission gate-based d-latch?

813

What is the difference between isr & function call?

708

What is the distinguishing feature of db and ab?

1457

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

734

Explain sphl instruction?

880

What is the difference between harvard architecture and von neumann architecture?

805

Give an example of a combined addressing mode instruction?

720

Explain the significance of signal?

737

What is special purpose registers in 8086?

837

What are software interrupts?

745

what is logical address?

724

What is the bus in a microcontroller?

738

Describe the (status) flag register of 8085?

785

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