Qualcomm Interview Questions, Process, and Tips

Q1. They will check your basic knowledge that are you good at basics ?
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Q1. Asked about my current job profile and networking concepts.
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Operating system, C langauge and DSA quastions.

Q1. Basics of linux in Sude and REDHAT os
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Q2. Deep-level analysis of the process
Ans. 
Deep-level analysis involves thorough examination of the process to identify underlying issues and improve efficiency.
• Identify key components of the process

• Analyze each component in detail to understand its function and impact

• Use data and metrics to measure performance and identify areas for improvement

• Consider external factors that may influence the process

• Develop strategies to optimize the process based on findings
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C programming questions

Q1. Circular buffer problems
Ans. 
Circular buffer is a data structure that uses a fixed-size buffer as if it were connected end-to-end.
• Circular buffer is also known as a ring buffer or cyclic buffer.

• It is often used in computer programming to implement a queue that needs constant time for adding or removing elements.

• When the buffer is full, new data overwrites the oldest data in a circular fashion.

• Circular buffers are efficient for streaming data appli...read more
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Q2. Implement malloc
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Q1. Salary discussion
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Q2. Role discussion
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Q1. Binary tree(convert BT to min heap), dbms, networking questions, what happens when you type google.com in browser.
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Q2. Swap 2 nos without using 3rd variable
Ans. 
Swapping 2 numbers without using a third variable
• Use arithmetic operations to swap the values

• Addition and subtraction can be used to swap the values

• XOR operation can also be used to swap the values
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Q3. Prison break question, can be found in leetcode discussion section
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The questions consisted of aptitude and since iam from cs, cs core subjects.

Q1. The interview was of 30 min. It started off with introducing ourselves and getting into projects. And core questions along with dsa .
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Q2. What is threading, how many threads a process contains?
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Q1. String manipulation coding question
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Q2. Dbms, os fundamentals
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Q1. Map, string DSA question
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Q2. Implement hashmap
Ans. 
Implement hashmap data structure in software development
• Use an array to store key-value pairs

• Implement a hash function to map keys to array indices

• Handle collisions by using separate chaining or open addressing

• Support operations like put, get, and remove
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Q3. Sql, oop concepts
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