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10+ Intel Software Engineer Interview Questions and Answers

Updated 11 Oct 2024

Q1. How would you clear the 7th bit in a 32 bit register

Ans.

To clear the 7th bit in a 32-bit register, perform a bitwise AND operation with a mask that has all bits set to 1 except the 7th bit.

  • Create a mask with the 7th bit set to 0 and all other bits set to 1

  • Perform a bitwise AND operation between the register and the mask

  • Store the result back in the register

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Q2. given a blackbox with arithmetic circuits , design the logical circuits

Ans.

Design logical circuits for arithmetic circuits in a blackbox.

  • Understand the functionality of the arithmetic circuits in the blackbox.

  • Identify the inputs and outputs of the blackbox.

  • Design logical circuits using logic gates to replicate the arithmetic operations.

  • Test the logical circuits to ensure they produce the same outputs as the arithmetic circuits.

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Q3. classes and structure and memory allocation for them

Ans.

Classes are blueprints for creating objects, while structures are similar but with different default access levels.

  • Classes and structures are used to define the structure and behavior of objects in object-oriented programming.

  • Classes are reference types and are allocated on the heap, while structures are value types and are allocated on the stack.

  • Memory allocation for classes is managed by garbage collection, while memory allocation for structures is automatic.

  • Classes can hav...read more

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Q4. Why UDP and not TCP in project

Ans.

UDP is preferred over TCP in this project due to its low latency and lightweight nature.

  • UDP is a connectionless protocol, which means it does not establish a direct connection between the sender and receiver.

  • UDP is faster than TCP as it does not have the overhead of establishing and maintaining a connection.

  • UDP is suitable for applications where real-time data transmission is crucial, such as video streaming or online gaming.

  • UDP is more lightweight as it does not include feat...read more

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Q5. phases of compiler

Ans.

Phases of compiler include lexical analysis, syntax analysis, semantic analysis, code generation, and optimization.

  • Lexical analysis: breaking down input into tokens

  • Syntax analysis: checking if tokens form valid syntax

  • Semantic analysis: checking if syntax is semantically correct

  • Code generation: generating machine code from input

  • Optimization: improving generated code performance

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Q6. why to c over cpp

Ans.

C is preferred over C++ for certain applications due to its simplicity and efficiency.

  • C is a simpler language compared to C++ and has a smaller runtime footprint.

  • C is often used for low-level programming, embedded systems, and operating systems.

  • C allows for more control over memory management and can be faster in certain scenarios.

  • C++ introduces additional features like object-oriented programming and templates, which may not be necessary for all projects.

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Q7. Design algorithm for sorting and searching.

Ans.

Sorting and searching algorithms are essential in software development for organizing and retrieving data efficiently.

  • Use popular sorting algorithms like Bubble Sort, Merge Sort, Quick Sort, etc. for sorting arrays of strings.

  • For searching, consider algorithms like Linear Search, Binary Search, etc. to find specific strings in the array.

  • Optimize algorithms based on the size of the data and the frequency of operations needed.

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Q8. Write how semaphore works

Ans.

Semaphore is a synchronization tool used to control access to a shared resource.

  • Semaphore maintains a count of available resources.

  • A process can request access to a resource by decrementing the semaphore count.

  • If the count is zero, the process is blocked until a resource becomes available.

  • When a process is done with a resource, it increments the semaphore count.

  • If there are blocked processes waiting for a resource, one of them is unblocked.

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Q9. embedded c-code for recursion

Ans.

Recursion in embedded C-code allows a function to call itself, useful for repetitive tasks or complex algorithms.

  • Ensure proper base case to avoid infinite recursion

  • Use stack space efficiently as embedded systems have limited resources

  • Avoid recursive functions with deep call stacks to prevent stack overflow

  • Example: Recursive function to calculate factorial of a number

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Q10. Convolution of 2 signals

Ans.

Convolution is a mathematical operation that combines two functions to produce a third function.

  • Convolution is used in signal processing to analyze and filter signals.

  • It involves multiplying two signals and integrating the product over time.

  • The resulting signal represents the amount of overlap between the two original signals at each point in time.

  • Convolution can be performed using a variety of algorithms, including the fast Fourier transform (FFT).

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Q11. Design a URL-shortening service

Ans.

Design a URL-shortening service

  • Generate a unique short code for each URL

  • Store the mapping of short code to original URL in a database

  • Redirect users from short URL to original URL

  • Consider implementing custom short links for users

  • Track analytics for shortened URLs

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Interview Process at Intel Software Engineer

based on 8 interviews
5 Interview rounds
Technical Round
HR Round
Aptitude Test Round
Personal Interview1 Round - 1
Personal Interview1 Round - 2
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