VVDN Technologies Interview Questions, Process, and Tips

Q1. 5S define and check sheet is proper ok and maintained
Ans. 
5S is a methodology for organizing a workplace for efficiency and effectiveness. Check sheets are used to track data and ensure processes are followed.
• 5S stands for Sort, Set in order, Shine, Standardize, Sustain

• Check sheets are used to collect data and track progress in a visual manner

• Regular audits are conducted to ensure 5S and check sheets are properly maintained

• Example: Using color-coded labels for organizing tool...read more
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Q2. Any one machine is doing kaizon
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Q1. Why don't you take experienced people
Ans. 
We are open to hiring both experienced and inexperienced individuals to bring a diverse range of skills and perspectives to our team.
• We believe in providing opportunities for growth and development to individuals at all stages of their career.

• Fresh perspectives and new ideas from inexperienced individuals can bring innovation to the team.

• Experienced individuals may have set ways of doing things that could benefit from ...read more
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Q2. 2 years experience SAP & ERP
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Q1. What do you understand from the word electronics?
Ans. 
Electronics refers to the branch of physics and technology that deals with the flow of electrons and their behavior in devices and systems.
• Electronics involves the study and application of electrical circuits, components, and systems.

• It focuses on the behavior of electrons in semiconductors, conductors, and insulators.

• Examples of electronic devices include smartphones, computers, televisions, and radios.
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Q2. What are passive and active electrical components?
Ans. 
Passive components do not require an external power source to operate, while active components require a power source.
• Passive components include resistors, capacitors, inductors, and transformers.

• Active components include transistors, diodes, integrated circuits, and operational amplifiers.

• Passive components do not amplify or control electrical signals, while active components can amplify, switch, or control electrical...read more
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Q3. What is an ideal current source?
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An ideal current source is a device that provides a constant current output regardless of changes in load resistance or voltage.
• An ideal current source has zero output impedance, meaning it can deliver the specified current to any load resistance without voltage drop.

• It maintains a constant current output even if the load resistance changes.

• Examples of ideal current sources include transistors operating in the active r...read more
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Q1. Self introduction
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Q2. What is microprocessor ?
Ans. 
A microprocessor is a small electronic device that functions as the central processing unit of a computer, performing arithmetic and logic operations.
• Microprocessors are made up of millions of tiny components like transistors, resistors, and capacitors.

• They execute instructions stored in memory and perform tasks like calculations, data processing, and controlling input/output devices.

• Examples of microprocessors include...read more
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Q3. Full form of IOT
Ans. 
Internet of Things
• IOT stands for Internet of Things

• It refers to the network of physical devices that are connected and exchange data

• Examples include smart home devices, wearable technology, and industrial sensors
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Q4. Why are you want to work here
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Q5. What is IC can you define?
Ans. 
IC stands for Integrated Circuit, a small electronic device made out of a semiconductor material.
• IC is a complete circuit that includes multiple electronic components like resistors, capacitors, and transistors on a single chip.

• ICs can be categorized into analog, digital, and mixed-signal depending on the type of components they contain.

• Examples of ICs include microprocessors, memory chips, and operational amplifiers.
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Python, Pytest & Robot Framework

Q1. Verilog code for 64*x x is 32 bit without using operator
Ans. 
To calculate 64*x where x is 32 bit without using operator in Verilog code.
• Use shift left operation to multiply x by 64 (2^6).

• Shift x left by 6 bits to achieve the result.

• Ensure proper handling of overflow or truncation if necessary.
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Q2. Who will set the setup time and hold time in a flipflop
Ans. 
The setup time and hold time in a flipflop are typically set by the designer during the design phase.
• Setup time and hold time are parameters specified by the designer in the flipflop's datasheet.

• The designer ensures that the setup time and hold time requirements are met to prevent timing violations.

• Setup time is the minimum time before the clock edge that the data input must be stable.

• Hold time is the minimum time afte...read more
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