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

What are the different types of buses used by the embedded systems?

951

What is the purpose of using critical sections?

872

What is interaction semantics used in embedded systems?

988

Why does pre-emptive multi-threading used to solve the central controller problem?

867

What are the different types of customizations that is used with the “volatile” keyword?

895

What is the main function of multiplexed address/data bus?

904

What is the need for an infinite loop in embedded systems?

903

How does the interrupt architecture works?

939

What are the functional requirements that are used in the embedded systems?

929

Differentiate between mutexes vs semaphores.

966

Write a program to show the functionality of power-save super loop.

1123

How to create a child process in linux?

1127

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

943

What is the function of watchdog timer in embedded system?

914

How are macros different from inline functions?

938

Un-Answered Questions { Embedded Systems }

Explain what is multiplexer?

1127

Explain the significance of signal?

1058

How i/o devices are classified for embedded system?

943

What is interrupt latency and how can we decrease it?

836

Explain what is size of character, integer, integer pointer, character pointer?

913

In a SRAM layout, which metal layers would you prefer for Word Lines and Bit Lines? Why?

4171

Define the jobs performed by the biu and eu in the 8086.

1292

Explain about 6-T XOR gate?

1361

What are the steps involved in designing an optimal pad ring?

1224

Explain jnc.?

1157

What does eu do?

1229

What happens when recursive functions are declared inline?

1020

Tell the addresses which are bit addressable?

1254

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

1136

Why is digital communication better than analogue communication?

884

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