Jbm Auto Components Quality Assurance and Testing Interview Questions and Answers

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Q1. What are the Siemens plc models?
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Siemens plc models include S7-1200, S7-1500, S7-300, S7-400, and LOGO!
• S7-1200

• S7-1500

• S7-300

• S7-400

• LOGO!
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Q2. What is the spc?
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SPC stands for Statistical Process Control, a method used to monitor and control processes to ensure they are operating efficiently and within specifications.
• SPC involves collecting and analyzing data to identify variations in a process

• It helps in detecting and correcting issues before they result in defects

• Common tools used in SPC include control charts, histograms, and Pareto charts
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Q3. How to configure the dp dp coupler?
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To configure a dp dp coupler, set the parameters for communication protocol, baud rate, address, and data format.
• Set the communication protocol to match the devices being connected.

• Configure the baud rate to ensure proper data transmission speed.

• Assign a unique address to the dp dp coupler for identification.

• Choose the appropriate data format for the connected devices.

• Test the configuration to ensure proper communicati
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Q1. What is the smart pointers?
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Smart pointers are objects that store a pointer to dynamically allocated memory and provide automatic memory management.
• Smart pointers help prevent memory leaks by automatically releasing memory when the pointer is no longer needed.

• Examples include unique_ptr, shared_ptr, and weak_ptr in C++.

• unique_ptr is used for exclusive ownership, shared_ptr for shared ownership, and weak_ptr to break circular references.
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Q2. What is the lamda function?
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A lambda function is a small anonymous function defined in a single line of code without a name.
• Lambda functions are often used in programming languages that support functional programming.

• They are commonly used for short, simple operations that do not require a named function.

• Lambda functions can take any number of arguments but can only have one expression.

• Example: lambda x: x*2 defines a lambda function that doubles
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Q1. What is threading?
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Threading is a way for a program to split itself into multiple simultaneous tasks.
• Threading allows for parallel execution of tasks within a program.

• Each thread has its own stack and runs independently of other threads.

• Threads can communicate with each other and share resources.

• Example: A web server handling multiple client requests concurrently using threads.
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Q2. What is lamda function?
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Lambda function is an anonymous function in programming that can have multiple parameters and can be used as an argument to other functions.
• Lambda functions are also known as anonymous functions because they do not have a name.

• They are often used for short, one-time tasks that do not require a separate function definition.

• Lambda functions can take multiple parameters and return a single value.

• Example: lambda x, y: x + ...read more
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