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?

819

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?

824

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 }

What type of interrupt is the “trap” and what does it do?

1106

What are the advantages and disadvantages of separation of concerns?

827

What is the purpose of clk signals of 8085?

1190

Why is java mostly used in embedded systems?

973

How are labels named in assembly language?

1291

What is the significance of the control unit in the 8085?

999

Are you familiar with the term snooping?

3526

Tell me what are the different types of customizations that is used with the “volatile” keyword?

887

How to reduce function call overhead in arm based systems

816

Please explain can structures be passed to the functions by value?

786

How many instruction bits does 8085 processor support?

1091

Explain the purpose of the status register?

1043

What are FIR and IIR systems?

879

What's the difference between a web server, web farm and web garden? How would your web application need to change for each?

844

What is the difference between locking and lockless (optimistic and pessimistic) concurrency models?

893

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