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

Explain what is return type of isr?

895

Tell me what are real-time embedded systems?

959

Tell me what are buses used for communication in embedded system?

867

Explain me what is spin lock?

775

Explain how does combination of functions reduce memory requirements in embedded systems?

925

Tell me what type of scheduling is there in rtos?

802

Can you please explain the difference between mutexes vs semaphores?

831

Tell me what is interrupt latency? How can you reduce it?

851

Tell me when one must use recursion function? Mention what happens when recursion functions are declared inline?

896

Explain various uses of timers in embedded system?

959

Tell me what are inline functions?

823

Tell me what is the purpose of using critical sections?

840

Explain me what is the main function of multiplexed address/data bus?

833

Tell me what happens when recursive functions are declared inline?

901

Explain me how does the interrupt architecture works?

894

Un-Answered Questions { Embedded Systems }

Define bit?

1066

In what way interrupts are classified in 8085?

1172

What is watchdog timer?

893

Given a layout, draw its transistor level circuit. (I was given a 3 input AND gate and a 2 input Multiplexer. You can expect any simple 2 or 3 input gates)

1204

When is the LOCK prefix used often?

1126

What types of CMOS memories have you designed? What were their size? Speed?

3144

The PCI bus is the important bus found in all the new Pentium systems because

1082

What is threshold voltage?

1186

What is solid?

873

What type of instruction is cpi ‘c’ and define the action it performs?

1142

What is an interrupt? List various types of interrupts available in 8051 microcontroller?

1144

What is BIBO stability? What is the condition to be satisfied for stability?

928

Tell me what are the commonly found errors in embedded systems?

872

Discuss the concept of yagni and explain something you did recently that adhered to this practice.

787

Signal voltage ranges for a logic high and for a logic low in RS-232C standard are

1093

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