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

Embedded Systems AllOther Interview Questions

Questions Answers Views Company eMail

What is interrupt latency and how can we decrease it?

779

Tell me what is the need for dmac in es?

805

Do you know what is virtual memory?

795

Tell me is count down_to_zero loop better than count_up_loops?

815

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

761

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

818

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

814

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

848

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

818

Please explain what is semaphore?

888

Tell me can include files be nested?

819

Tell me what are the different storage classes in c?

857

Explain me what is semaphore?

869

Tell me can a variable be both const and volatile?

882

Tell me can we put breakpoint inside isr?

930

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Un-Answered Questions { Embedded Systems AllOther }

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

3070

Tell me is count down_to_zero loop better than count_up_loops?

815

What are the qualifiers in c?

828

Why do we need virtual device drivers when we have physical device drivers?

885

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

880

Tell me what is the purpose of using critical sections?

825

What is rtos in an embedded system?

928

Why is model transformations used in the embedded system?

802

What is risc architecture?

795

What is refactoring? Name three common refactorings.

1077

How does combination of functions reduce memory reuirement in embedded system?

788

Explain the uses of timers in embedded system?

837

Tell me how many types of ipc mechanism you know?

823

Advantages and disadvantages of using macro and inline functions?

898

What is a 'const' variable?

877

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