S M Creative Electronics Senior IT Executive Interview Questions and Answers

Q1. Ofdm, Fixed point, sampling theorem, digital filters,
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Q2. Previous work clarity
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Previous work clarity is essential for successful collaboration and understanding of project requirements.
• Clearly explain the projects you have worked on in the past, including your role and responsibilities

• Provide examples of how you communicated with team members to ensure clarity in project goals

• Discuss any challenges you faced in previous projects and how you overcame them
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Q1. Fft, ofdm, CP, sampling theorem, previous experience,
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Q2. C basics, memory layout, function pointer, big small endian, bit manipulation, zero padding in structures
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Bit manipulation, memory layout, interrupts, semaphore mutex, implement memcpy, sorting, algo to share resource equally

Q1. Previous work experience, general attitude
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Q1. Implement atoi in c language
Ans. 
atoi function converts a string to an integer in C language
• Use a loop to iterate through each character of the input string

• Check if the character is a digit (0-9) using 'isdigit' function

• Calculate the integer value by multiplying the current value by 10 and adding the digit value
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Q2. Remove the head of the linked list mainitning the remaining links
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Q1. Bitwise operation and memory layout in c
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Bitwise operations are used to manipulate individual bits in memory. Memory layout in C refers to how data is stored in memory.
• Bitwise operations include AND, OR, XOR, and NOT.

• They are often used for tasks like setting or clearing specific bits, checking if a bit is set, or toggling bits.

• Memory layout in C determines how variables are stored in memory, including their size, alignment, and order.

• It is important to under...read more
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Q2. Explain few terms in LTE
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LTE stands for Long-Term Evolution, a standard for wireless communication in mobile networks.
• LTE is a 4G wireless communication technology

• It provides high-speed data transmission and low latency

• LTE uses OFDMA for downlink and SC-FDMA for uplink

• LTE supports multiple antennas for improved signal quality (MIMO)

• LTE Advanced (LTE-A) is an enhanced version with higher data rates and capacity
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Q3. In one path goes wrong in mimo does snr and data both or any one goes bad
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Q1. Selenium xpath and dynamic loading of elements
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Selenium xpath is used to locate elements on a web page, especially useful for dynamic loading scenarios.
• Use xpath to locate elements based on their attributes or position on the page

• For dynamic loading, use explicit waits to ensure elements are present before interacting with them

• Consider using relative xpath expressions to make your tests more robust and maintainable
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Q2. Java programs on strings
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Q3. Test Ng architecture explain
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TestNG is a testing framework inspired by JUnit and NUnit, with more advanced features for test automation.
• TestNG uses annotations to define test methods and test configurations.

• It supports parameterized tests, test dependencies, and test groups.

• TestNG allows parallel execution of tests, making it faster than other testing frameworks.

• It provides detailed test reports and supports data-driven testing.

• TestNG can be integ...read more
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Q1. Explain storage variables in C?
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Storage variables in C are used to store data temporarily during program execution.
• Storage variables in C are declared using data types like int, float, char, etc.

• They can be stored in different memory locations like stack, heap, or data segment.

• Variables declared outside functions have global scope and are stored in data segment.

• Variables declared inside functions have local scope and are stored in stack memory.

• Dynami...read more
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Q2. Take two numbers, reverse both, then perform addition and reverse again?
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Q3. First three kinds of sorting
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The first three kinds of sorting are bubble sort, selection sort, and insertion sort.
• Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Selection sort selects the smallest element and swaps it with the first element, then selects the second smallest element and swaps it with the second element, and so on.

• Insertion sort builds the final sorted array one item at a time by inserting each
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Q4. Output questions based on pointers in C
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I interviewed with Mediatek having just 1 year of experience. It was for outsourcing position.

They asked me concepts from C language, writing code for data structures (LinkedIn list), and a question on string which I can't remember. This was pre COVID days.

Q1. Write code to insert a node to the middle of linked list
Ans. 
Insert a node to the middle of a linked list
• Find the middle node using slow and fast pointers

• Create a new node with the data to be inserted

• Adjust the pointers to insert the new node in the middle
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