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 do you mean by interrupt latency?

907

What is pass by value and pass by reference? How are structure passed as arguments?

897

Can a volatile be constant? Like

856

Can a pointer be volatile ?

1009

Explain whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?

902

Differentiate testing and verification?

927

What is equ?

888

Explain scope of static variables?

973

What is difference between using a macro and inline function?

907

what are buses used for communication in embedded system?

889

what is embedded system in a computer system?

1044

Can single bit of a port be accessed in 8051?

1068

Explain the 8051 microcontroller architecture?

1089

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

1211

Intel 8051 follows which architecture?

1104

Un-Answered Questions { Embedded Systems }

What's the difference between unit test and integration test?

857

How much on chip ram is available?

1440

What is the function of eu?

1109

Can a pointer be volatile ?

1009

Explain in steps what happens when an interrupt occurs?

1041

Tell me can we use any function inside isr?

782

What is the condition to be satisfied for stability?

875

Tell the addresses which are bit addressable?

1199

What are the advantages and disadvantages of separation of concerns?

827

If the current through the poly is 20nA and the contact can take a max current of 10nA how would u overcome the problem?

1124

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

1092

What is refactoring? Have you used it and it is important? Name three common refactorings.

789

Describe a pattern that is not the factory pattern? How is it used and when?

895

What are the most common errors you've found in embedded systems and how have you resolved them?

848

When a discrete time signal is called periodic?

852

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