Qualcomm Vlsi Engineer Interview Questions and Answers

Basic aptitude-10 question,digital moderate -Question,analog moderate -10 question,verilog and system verilog -10 question

Q1. Latches and flip flop all characteristics equation and proof of the characteristics equation in flip flop.applications of flip flop
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Q2. OOPS,INHERITANCE,VERILOG,BLOCKING - NON BLOCKING ASSIGNMENT OPERATOR and all the basic operations of verilog .
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Q3. Discussion on work experience.
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Q1. Basic question of sv like swapping no.
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Q2. Question from projects
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Q1. Assertions and coverage
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Q2. Umv basic principle
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UVM (Universal Verification Methodology) basic principle is to provide a standardized methodology for verifying digital designs.
• UVM is based on SystemVerilog and provides a framework for creating reusable verification environments

• It promotes the use of object-oriented programming techniques for creating modular and scalable testbenches

• UVM encourages the use of constrained-random stimulus generation and coverage-driven ...read more
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Q1. Basics of analog , digital and vlsi
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Q2. On face to face interview, they asked me abt my projects , digital, little analog , vlsi ( verilog), microcontrollers and c programming
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40 aptitude qns and some mcqs on basic programming

Q1. I was asked to write two sum, palindrome function and merge sort code in whatever language I'm comfortable in
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Q2. Two sum- return true or false
Ans. 
Given an array of integers, determine if there are two numbers that add up to a specific target.
• Iterate through the array and store each element in a hash set.

• For each element, check if the difference between the target and the element exists in the hash set.

• If the difference exists, return true; otherwise, continue iterating.

• Example: nums = [2, 7, 11, 15], target = 9. The function should return true as 2 + 7 = 9.
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Q3. Merge sort function code
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Q4. Palindromic string or not
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Q1. Asked the working experience and the related skills to the new job
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Q1. Coding questions in Verilog, Systemverilog, random constraints such as how to write a onehot in different ways
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Q1. Asked the expectation of the base salary and overall compensation
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Q1. Write a program for an ATM machine to get minimum no. of notes.
Ans. 
Program to calculate minimum number of notes for ATM withdrawal
• Create an array of available note denominations

• Sort the array in descending order

• Initialize a counter variable to keep track of the number of notes

• Iterate through the array and divide the withdrawal amount by each note denomination

• Update the counter variable with the quotient

• Update the withdrawal amount with the remainder

• Repeat the above steps until the wit...read more
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Q2. Can we pass an array to function.
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Yes, an array can be passed to a function in embedded firmware programming.
• Arrays can be passed to functions by specifying the array name as the argument.

• The function can then access and manipulate the elements of the array.

• Example: void printArray(int arr[], int size) { ... }

• Example: int main() { int myArray[] = {1, 2, 3}; printArray(myArray, 3); }
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Q1. What are your salary expectations
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