LG Soft Technical Interview Questions

Posted on :11-03-2016

Q1. Difference between mutex and semaphore.

Q2. What does malloc return if it fails?

Q3. How to shrink the size using realloc?

Q4. What is embedded system?

Q5. Swap two variables using call by reference without using 3rd variable.

Q6. Difference between #define and typedef.

Q7. Write about ARM architecture.

Q8. *p++ , ++*p what is the difference between them?

Q9. How to pass command line arguments?

Q10. -17 is given, find out the number of 1s in -17 binary representation.

Q11. After calloc, if we reallocte memory but we do not have sufficient memory, what does it do, if it allocates memory in some new page who is going to take care of copying the contents of previous calloc to this reallocated memory.

Q12. How to insert a node in linked list?

Q13. Explain about memory leakage.

Q14. Difference between function prototype and declaration.

Q15. Give real examples of Types of semaphores.

Q16. How to Open any web page by clicking any ASP Control like (Checkbox, radio button or Button) without calling its event and without going to Siverside code?

Q17. What are the different classes of GPRS? What is the use of this GPRS classes?

Q18. How to display empty table to datagrid?

Q19. What are the different RTOS available? What is the difference between RTOS and OS?

Q20. What is the use of keyword volatile?

Q21. How can you bind data from dataset to XML file?

Q22. What is the difference between declaration, definition and initialization of a variable?

Q23. What is a DMA controller?

Q24. What are the DMA devices and non DMA devices in your PC?

Q25. Difference between RAM and CACHE memory.

Q26. What are the Addressing Modes of 8086?

Q27. What is Normalization? Why Normalization?

Q28. What is a Trigger?

Q29. What is a view?

Q30. What is the difference between DDL and DML statements?

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