Intel Associate Analyst Interview Questions and Answers

Q1. What is confusion matrix
Ans. 
A confusion matrix is a table that is often used to describe the performance of a classification model.
• It is a matrix with rows representing the actual class and columns representing the predicted class.

• It helps in evaluating the performance of a classification model by showing the number of correct and incorrect predictions.

• It consists of four quadrants: True Positive, False Positive, True Negative, and False Negative...read more
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Q2. Define your project
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Q3. Define principle component analysis
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Principal component analysis is a statistical technique used to reduce the dimensionality of data while preserving important information.
• PCA is used to identify patterns in data and express it in a more easily understandable form.

• It works by finding the directions (principal components) along which the variance of the data is maximized.

• These principal components are orthogonal to each other, meaning they are uncorrelat...read more
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Q4. Define inventory policy and inventory control method
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Inventory policy is a set of guidelines for managing inventory levels, while inventory control method is the process of implementing those guidelines.
• Inventory policy determines when to order new inventory and how much to order

• Inventory control method involves tracking inventory levels, forecasting demand, and optimizing order quantities

• Examples of inventory policies include Just-in-Time (JIT) and Economic Order Quanti...read more
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Q5. What is reverse logistics
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Reverse logistics is the process of moving goods from their final destination back to the manufacturer or point of origin for resale, recycling, or disposal.
• Involves returning products from customers to the manufacturer or retailer

• Includes activities such as returns, refurbishment, recycling, or disposal

• Helps in reducing waste and maximizing value from returned products

• Examples: returning a defective product to the man
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Q1. Where do you see Yourself in 5 years ? why Qualcomm ?
Ans. 
In 5 years, I see myself as a senior analyst at Qualcomm, utilizing my skills to drive innovation and contribute to the company's success.
• I am passionate about technology and Qualcomm's cutting-edge advancements in the semiconductor industry align with my career goals.

• I believe Qualcomm's global presence and diverse projects will provide me with ample opportunities for growth and development.

• I aim to become a subject m...read more
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Q1. What can you share about your experience?
Ans. 
I have over 5 years of experience as a Business Analyst in the finance industry.
• Led cross-functional teams to analyze market trends and develop strategic plans

• Performed data analysis to identify opportunities for cost reduction and revenue growth

• Collaborated with stakeholders to gather requirements and create detailed business requirements documents
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Q2. What are the specific responsibilities associated with the role, and how does the workflow typically function?
Ans. 
Business Analyst responsibilities include analyzing data, identifying trends, and making recommendations to improve business processes.
• Gather and analyze data to identify trends and make recommendations

• Work closely with stakeholders to understand business needs and requirements

• Create reports and presentations to communicate findings and recommendations

• Collaborate with cross-functional teams to implement solutions

• Monito
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Q1. It was little technical with the Excel and Power Bi
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Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on OOPS and OS mainly.

Q1. What are Little Endian and Big Endian in the context of computer architecture?
Ans. 
Little Endian and Big Endian refer to the order in which bytes are stored in computer memory.
• Little Endian stores the least significant byte first, while Big Endian stores the most significant byte first.

• Little Endian is commonly used in x86 architecture, while Big Endian is used in architectures like SPARC and PowerPC.

• Endianness can affect data transmission between systems with different byte orders.
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Q2. Write a program to determine if your system is little-endian or big-endian.
Ans. 
Program to determine system's endianness
• Check the endianness by storing a multi-byte integer and checking the byte order

• Use bitwise operations to extract the least significant byte

• If the least significant byte is at the lowest memory address, it's little-endian

• If the least significant byte is at the highest memory address, it's big-endian
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Q3. What is the volatile keyword in programming?
Ans. 
The volatile keyword in programming is used to indicate that a variable's value can be changed unexpectedly.
• Volatile keyword is used in multithreaded programming to prevent compiler optimizations on variables that can be changed by other threads.

• It tells the compiler not to cache the variable's value in a register, ensuring that every access is made to the variable's memory location.

• Commonly used in embedded systems pr...read more
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Q4. What is the use of a function pointer in C?
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Function pointers in C are used to store the address of functions, allowing for dynamic function calls and callbacks.
• Function pointers can be used to implement callbacks in event-driven programming.

• They can be used to switch between different functions at runtime.

• Function pointers are commonly used in implementing data structures like function pointers in an array of function pointers.

• Example: void (*funcPtr)(int) = &a
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Q5. Design a data structure to implement multi-threading.
Ans. 
Design a data structure for multi-threading
• Use a thread-safe queue to manage tasks for each thread

• Implement a lock or semaphore to control access to shared resources

• Consider using condition variables for synchronization

• Use atomic operations for shared variables to prevent race conditions
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Q6. What does a kernel do?
Ans. 
The kernel is the core component of an operating system that manages system resources and provides a bridge between software and hardware.
• Manages system resources such as CPU, memory, and I/O devices

• Provides a bridge between software applications and hardware components

• Handles tasks such as process scheduling, memory management, and device drivers

• Controls communication between hardware and software layers
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Q7. What is a storage class in programming?
Ans. 
A storage class in programming defines the scope and lifetime of variables.
• Storage classes include auto, register, static, and extern.

• Auto variables are created when a function is called and destroyed when the function ends.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and can be accessed
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Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.