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

Tell me what is the need for dmac in es?

818

Do you know what is virtual memory?

802

Tell me is count down_to_zero loop better than count_up_loops?

839

Tell me what is the need for having multibyte data input and output buffers in case of device ports?

765

Tell me what is top half & bottom half of a kernel?

822

Do you know what is the function of watchdog timer in embedded system?

819

Tell me why does pre-emptive multi-threading used to solve the central controller problem?

854

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

827

Please explain what is semaphore?

896

Tell me can include files be nested?

823

Tell me what are the different storage classes in c?

863

Explain me what is semaphore?

873

Tell me can a variable be both const and volatile?

892

Tell me can we put breakpoint inside isr?

935

Tell me what is null pointer and what is its use?

851

Un-Answered Questions { Embedded Systems }

Tell me what happens when recursive functions are declared inline?

901

Why do we use two ground pins in the pin diagram of 8086?

1315

Have you developed software testing procedures for new systems and performed qa, quality assurance, or audits?

817

Define cross correlation and auto-correlation?

979

Which is better a char, short or int type for optimization?

881

What is single stepping and how can it be achieved on the 8086?

1218

Tell me why does pre-emptive multi-threading used to solve the central controller problem?

854

Explain the difference between testing and verification?

968

Give truth table for a half adder, give a gate level implementation of the same?

1027

What is general purpose registers in 8086?

1099

What are the steps involved in a fetch cycle

1043

Infinite loops often arise in embedded systems. How does you code an infinite loop in c?

1196

How the stack is initialized?

1076

What is something substantive that you've done to improve as a developer in your career?

783

What is the difference between synchronous and asynchronous reset?

1094

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