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?

874

Do you know what is virtual memory?

850

Tell me is count down_to_zero loop better than count_up_loops?

878

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

807

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

862

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

863

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

900

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

874

Please explain what is semaphore?

937

Tell me can include files be nested?

858

Tell me what are the different storage classes in c?

902

Explain me what is semaphore?

909

Tell me can a variable be both const and volatile?

932

Tell me can we put breakpoint inside isr?

1002

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

892

Un-Answered Questions { Embedded Systems }

Draw Vds-Ids curve for a MOSFET. Now, show how this curve changes with increasing transistor width.

1344

What are the data pins of microprocessors? What is their use?

1058

what is embedded system in a computer system?

1125

Explain what is the difference between mutexes and semaphores?

845

Explain what type of architecture is used in 8085 microprocessor?

1032

Write a program to explain the comparator?

1192

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

1231

What is continuous integration? Why is it important?

1013

Can you have constant volatile variables?

821

Explain me what is kernel paging?

850

Explain transmission gate-based d-latch?

1135

List out various uses of timers in embedded system?

916

Tell me how to create a child process in linux?

789

What are hardware interrupts?

1079

Describe the structure and contents of a design document, or a set of design documents, for a multi-tiered web application.

881

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