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Embedded Systems Interview Questions
Questions Answers Views Company eMail

What is the function of accumulator?

Sandvik, SICSR,

20 103411

What is flag, bus?

8 26918

What are tri-state devices and why they are essential in a bus oriented system?

HP, Keane India Ltd,

1 8622

Why are program counter and stack pointer 16-bit registers?

College School Exams Tests, HCL,

6 54059

What does it mean by embedded system?

11 22505

What are the different addressing modes in 8085?

Rambala Exports, Syntel,

25 67047

What is the difference between MOV and MVI?

15 78343

What are the functions of RIM, SIM, IN?

Pappu Sons, Wipro,

10 74990

What is the immediate addressing mode?

13 31965

What are the different flags in 8085?

Spectra Innovations, TCS, Wipro,

24 99767

What happens during DMA transfer?

9 30146

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

2 25103

What is PSW?

DRDO,

11 56324

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

17 160645

What is a program counter? What is its use?

9 86848


Un-Answered Questions { Embedded Systems }

Explain what is interrupt latency? How can you reduce it?

809


Explain what is the main difference between 8085 and 8086 processors?

919


Explain in steps what happens when an interrupt occurs?

989


How can you ensure that debugging a program while it's being used will not affect its functionality?

897


Define the types of bus used in the 8085?

966


In Verilog code what does “timescale 1 ns/ 1 ps” signifies?

1150


Explain me can we use printf inside isr?

904


What software configuration management tools are you familiar working with?

731


What type of interrupts are used for critical events and why?

1033


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

1092


What was is the primary usage of a 8085 microprocessor?

982


Explain Basic Stuff related to Perl?

992


How are time delays calculated in the 8085?

1027


Implement a 2 I/P and gate using Tran gates?

3969


What are the various criteria to choose the microcontroller?

972