7/26/2019 Interview Questions for Embedded Engineer

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w 6 Saturday, June 18, 2016 1

hat is dirac delta function and its Fourier transform and its importance?DMA deals with which

ddress (physical/virtual addresses)?*.

hy do we need a infinite loop in embedded systems development? What are the different ways by

hich you can code in a infinite loop?*.

s it necessary to start the execution of a program from the main() in C?*.

xplain what are the different storage classes in C?*.

hat is watchdog timer?*.

hat are little endian and big endian types of storage? How can you identify which type of

llocation a system follows?*.

cope of static variables?*.

hat is the difference between testing and verification of vlsi circuit?*.

hat is the size of the int, char and float data types?*.

hat is the difference between a thread and a process?*.

xplain why cannot arrays be passed by values to functions?*.

xplain can microcontroller work independently?

hat is interrupt latency?*.

hat type of registers containsan (INTEL) CPU?.

an structures be passed to the functions by value?*.

ow to define a structure with bit field members?

hat is an anti aliasing filter? Why is it required?*.

dvantages and disadvantagesof using macro and inline functions?*

xplain Scope of static variables?*.Explain what are the different qualifiers in C?*

hat are hard and soft Real time systems?*.

ow is function itoa() written inC?*.

hat is difference between micro processor & micro controller?*.

xplain Order of constructor and destructor call in case of multiple inheritance?*.

xplain What will this return malloc(sizeof(-10))?*.

hat do you mean by interrupt latency?*.

hat is a semaphore? what arethe different types of semaphore?*.

xplain Can structures be passed to the functions by value?*.

S 8085 an embedded system?*

hat are the advantages and disadvantages of using macro and inline functions?*

xplain What are the 5 differenttypes of inheritance relationship?*.

hat is ISR? Can they be passed any parameter and can they return a value?*.

hat typecast is applied when we have a signed and an unsigned int in an expression?*.

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7/26/2019 Interview Questions for Embedded Engineer

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w 6 Saturday, June 18, 2016 1

hat is the order of calling for the constructors and destructors in case of objects of

nherited classes?*.

=7; b=8; x=a++-b; printf(%d, x ); What does this code give asoutput?*.What is the role of

egment register?*.

xplain what is interrupt latency?*.

hat is pass by value and passby reference? How are structure passed as arguments?*.

hat does malloc do? What will happen if we have a statement like malloc(sizeof(0));*.

hat is Concurrency? Explain with example Deadlock and Starvation.*

xplain the properties of a Object oriented programming language.*

xplain can we have constant volatile variable?*.

hat is the difference between embedded systems and the system in which rtos is running?*.

xplain the working of Virtual Memory?*.

hat is a memory leak? What is a segmentation fault?*.

hile writing interrupt handlers(ISR), which are points needed to be considered?*.

hat is the difference between fifo and the memory?*.

xplain what is interrupt latency? How can we reduce it?*.

hat is the use of having the const qualifier?*.What is plc system?*.

xplain Operations involving unsigned and signed? Unsigned will be converted to signed?*.

xplain What happens when recursion functions are declared inline?*.

hat is the volatile keyword used for?*.

hat are recursive functions? Can we make them in line?*.

hat is difference between using a macro and a in line function?*.

xplain what is the difference between embedded systems and the system in which RTOS is

unning?*.

xplain Difference between object oriented and object based languages?*.

hy cannot arrays be passed by values to functions?*.

an we use semaphore or mutex or spin lock in interrupt context in linux kernel?*

hat is meant by a forward reference in C?*.

w are variables mapped across to the various memories by the C compiler?

ow to implement a fourth order Butterworth LP filter at 1kHz if sampling frequency is 8kHz?*

hat is the scope of a function that is declared as static?*.

rite a constant time consuming statement lot finding out If a given number Is a power of 2?

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