Embedded Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Embedded Systems Interview Questions

Questions Answers Views Company eMail

What is the difference between fifo and the memory?

DewSoft, Intel, Pentagon Rugged Systems,

6 29800

what is plc system

3 7061

IS 8085 an embedded system?

4 15302

what is the command/instruction in ARM that does not do anything or does not execute any instruction ? (except NOP instruction)

Bosch,

3025

what is difference between micro processor & micro controller ?

Bosch,

8 13691

what is Page Fault or Page thrashing ?

Broadcom,

3 13653

Can we use semaphore or mutex or spin lock in interrupt context in linux kernel ?

Broadcom,

3 20316

DMA deals with which address (physical/virtual addresses) ?

Bosch,

3 13127

what is dirac delta function and its fourier transform and its importance?

AMD,

3 11062

WHAT IS THE DIFFERENCE BETWEEN TESTING AND VERIFICATION OF VLSI CIRCUIT?

Intel, Wipro,

5 26520

While writing interrupt handlers (ISR), which are points needed to be considered ?

Broadcom, nvidia,

5 19270

can microcontroller work indepandently

3 8384

Write a VLSI program that implements a toll booth controller?

Patni,

3939

Hi Guru here.......my question is....... Is it necessary to start the execution of a program from the main() in C?

4 7965

Program to print the 32 number in form of binary, Hexa and ASCI.

Royal Enfield,

2699

Un-Answered Questions { Embedded Systems }

Can a pointer be volatile ?

944

What are the various criteria to choose the microcontroller?

972

For f = AB+CD if B is S-a-1, what are the test vectors needed to detect the fault?

1196

What are the conditions under which the eu enter into the wait mode?

1136

How might a task-based model differ from a threaded model?

756

What are FIR and IIR systems?

827

How can you optimize the i/o performance?

865

Byte wise what are the lengths of call and ret instructions?

1314

What is kernel paging?

768

Which is non maskable interrupt for 8085?

1017

Why does pre-emptive multi-threading used to solve the central controller problem?

778

what is Slack?

1125

Explain the two types of software?

977

What are the different flags included in the alu?

1061

A vast majority of high performance embedded systems today use risc architecture why?

985

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