Qualcomm ml engineer Interview Questions and Answers

Q1. Write code of frequency divider
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Q2. Difference between latch & flip flop
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Technical plus aptitude based on domain you choose( pre placemt talks)

Q1. Communication theory , aptitude, electronics basics for firmware domain(screening)
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Q2. Coding related questions
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Q1. Circuits related practical questions
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Q1. General things only
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Profit and loss ,time and work ,speed distance and time

Java ,ops ,collection frameworks

Q1. Introduction about ourselves
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Q1. Personal interview ( personality test )
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MCQ type exam to qualify for the technical interview.

Q1. What is Capacitor?
Ans. 
A capacitor is an electronic component that stores and releases electrical energy.
• A capacitor consists of two conductive plates separated by an insulating material called dielectric.

• It stores electrical energy in an electric field between the plates.

• Capacitors are commonly used in electronic circuits for energy storage, filtering, timing, and coupling.

• They can be found in various devices such as power supplies, amplifi...read more
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Q2. What is Power factor?
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Power factor is a measure of how effectively electrical power is being used in a circuit.
• Power factor is the ratio of real power (kW) to apparent power (kVA) in an AC circuit.

• It indicates the efficiency of power usage and the presence of reactive power.

• A power factor of 1 indicates all power is being used effectively, while a power factor less than 1 indicates inefficiency.

• Inductive loads (e.g., motors) have lagging po...read more
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Q3. How the motor started works?
Ans. 
The motor starter is a device that starts and stops the motor by controlling the flow of electrical power.
• The motor starter consists of a contactor, overload relay, and control circuit.

• When the start button is pressed, the control circuit energizes the coil of the contactor, closing its contacts and allowing current to flow to the motor.

• The overload relay protects the motor from excessive current by sensing the current...read more
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Q4. Types of motor - specifically the capacitor start and run motors.
Ans. 
Capacitor start and run motors are types of motors commonly used in various applications.
• Capacitor start motors use a capacitor to provide high starting torque and are commonly used in appliances like air conditioners and refrigerators.

• Capacitor run motors use a capacitor to improve the motor's efficiency and power factor, and are often found in fans, pumps, and compressors.

• Both types of motors have advantages and disa...read more
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Q5. Types of capacitor and its function.
Ans. 
Capacitors are electronic components that store and release electrical energy. They come in various types and have different functions.
• Electrolytic capacitors are commonly used in power supply circuits to smooth out voltage fluctuations.

• Ceramic capacitors are used for high-frequency applications and noise suppression.

• Film capacitors are suitable for applications requiring high voltage and high current handling.

• Tantalum...read more
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Q6. What is dielectric?
Ans. 
Dielectric is a material that does not conduct electricity but can store and transmit electric charge.
• Dielectric materials have high electrical resistance.

• They are used in capacitors to store and release electrical energy.

• Examples of dielectric materials include glass, rubber, and plastic.

• Dielectric strength is a measure of a material's ability to withstand electrical stress without breaking down.

• Dielectric constant is...read more
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Q1. Which department would you like to work with to contribute to the organization?
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Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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