Molex QA Engineer Interview Questions and Answers

Q1. Sell me the pen
Ans. 
This pen is a sleek and stylish writing instrument that is perfect for everyday use.
• The pen features a smooth ballpoint tip for effortless writing

• Its ergonomic design ensures comfortable grip for long writing sessions

• The pen comes in a variety of colors to suit your personal style
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Q2. Watch the movie
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No question I am remembering

Q1. C programming question
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Q2. VLSI design questions
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Q3. Setup time analysis
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Q4. Hold time analysis
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Q5. Test patter generation
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Q1. What is shared memory
Ans. 
Shared memory is a memory space that multiple processes can access and use to communicate with each other.
• Shared memory allows multiple processes to share data without the need for inter-process communication mechanisms like pipes or sockets.

• It is commonly used in parallel computing to improve performance by allowing processes to share data quickly.

• Shared memory can be implemented using techniques like memory mapping o...read more
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Q2. Write a member function to find the second largest number in an array
Ans. 
Write a member function to find the second largest number in an array.
• Iterate through the array and keep track of the largest and second largest numbers.

• Handle edge cases like when the array has less than 2 elements.

• Consider sorting the array and returning the second last element for a simpler solution.
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Q3. What is core and how to determine it
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Core is the central or most important part of something. Determining the core involves identifying the key components or elements.
• Core is the central or essential part of a system or object

• To determine the core, identify the key components or elements that are crucial for the functionality or purpose of the system

• In software QA, determining the core may involve identifying the critical features or functionalities that ...read more
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Q4. How defect management systems work
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Defect management systems track, prioritize, and resolve software issues throughout the development lifecycle.
• Defects are reported by testers or users and logged into the system.

• Each defect is assigned a priority level based on its impact on the software.

• Defects are tracked from discovery to resolution, with status updates along the way.

• Defect management systems help teams prioritize and allocate resources efficiently.

• ...read more
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Q5. How do you add a file to bitbucket
Ans. 
To add a file to Bitbucket, you can use the web interface or command line tools.
• Navigate to the repository where you want to add the file

• Click on the 'Add file' button or use 'git add' command to add the file

• Commit the changes with a message describing the file addition

• Push the changes to the remote repository
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Q6. How to check the processes running in linux machine
Ans. 
To check processes running in a Linux machine, you can use commands like ps, top, and htop.
• Use 'ps' command to display information about processes

• Use 'top' command to display dynamic real-time view of processes

• Use 'htop' command for an interactive process viewer
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Q1. Capacitor and voltage in series and parallel
Ans. 
Capacitors in series add reciprocally, in parallel add directly. Voltage in series is the sum, in parallel is the same.
• Capacitors in series: 1/Ctotal = 1/C1 + 1/C2

• Capacitors in parallel: Ctotal = C1 + C2

• Voltage in series: Vtotal = V1 + V2

• Voltage in parallel: Vtotal = V1 = V2
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Q2. RLC circuit and circuit theory
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Q1. Analyse the output of the circuitry
Ans. 
The output of the circuitry needs to be analyzed for functionality and accuracy.
• Examine the input and output signals to ensure they are within expected ranges

• Check for any noise or interference in the output

• Verify that the circuit is functioning as designed based on the specifications

• Look for any potential issues or errors in the output
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Q2. Draw the output waveforms
Ans. 
The output waveforms can be drawn based on the input signal and circuit configuration.
• Understand the input signal characteristics (frequency, amplitude, etc.)

• Analyze the circuit components and their effects on the signal

• Draw the output waveform based on the input and circuit analysis
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30 mins 2 easy leetcode questions

Q1. Swap two numbers
Ans. 
To swap two numbers, store one number in a temporary variable, assign the value of the second number to the first, and then assign the temporary variable to the second number.
• Create a temporary variable to store one of the numbers

• Assign the value of the second number to the first number

• Assign the value of the temporary variable to the second number
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Q2. Longest cinsecutive subsequence
Ans. 
Find the longest consecutive subsequence in an array of strings.
• Sort the array of strings to ensure consecutive elements are next to each other

• Iterate through the sorted array to find the longest consecutive subsequence

• Track the current consecutive subsequence length and update the longest length found
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Manual, automation questions, java, c#

Code given for writing

Q1. Salary discussion
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Q1. String manipulation (easy)
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Q2. Aptitude : Time and work 1 Clock 1
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Q3. Some HR questions: Why you want to work . Do you have plans for masters
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Q1. More of a managerial round : Full crush on resume and some QA basics
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