National Instruments Intern Interview Questions and Answers

90 questions 90 minutes multiple choice

Q1. Core +it knowledge on c#,.net etc
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Leetcode questions, not very hard

Q1. General hr questions
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60 mins test which comprises of 2 sections, Technical and aptitude. Both sections have a time limit of 30 mins. The technical questions were easy to medium and i could finish it in time but i needed more time for finishing the aptitude, a total 40 questions.

Q1. Tell me about yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Recent graduate with a degree in Computer Science

• Passionate about coding and problem-solving

• Experience with programming languages like Java, Python, and C++

• Completed internships at tech companies such as Google and Microsoft
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Q2. Find the voltage through the resistor
Ans. 
To find the voltage through a resistor, use Ohm's Law: V = I * R
• Use Ohm's Law: V = I * R, where V is the voltage, I is the current flowing through the resistor, and R is the resistance of the resistor

• If the current flowing through the resistor is 2A and the resistance is 5 ohms, the voltage would be V = 2 * 5 = 10V

• Make sure to use the correct units for current (Amps) and resistance (Ohms) to get the voltage in Volts
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Q3. The interviewer just kept on adding an extra resistor in parallel and in series to the resistor and asked me to find the voltage
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Q4. He then asked a question on transient analysis ie 2 capacitors connected in series with a switch which closes at t>0 with the voltage across the 2 capacitors being 3 v and asked to find the total voltge
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Q5. Explain the working of a capacitor and resistor and relation between resistance and length , area
Ans. 
Capacitors store electrical energy while resistors limit the flow of current. Resistance is directly proportional to length and inversely proportional to area.
• Capacitors store electrical energy by creating an electric field between two conductive plates separated by an insulating material

• Resistors limit the flow of current in a circuit by dissipating energy in the form of heat

• The resistance of a resistor is directly pr...read more
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Basic EE, Aptitude and reasoning Questions. Focused on Analog and Digital

Q1. Solving a RC network circuit which further evolved into more complex network
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Q2. Explain the Projects on resume
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Based on talent retention

Q1. Questions About self and motivations
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Q2. Questions on how to go on to solve the case study
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Q1. Asked about questions on network synthesis
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Genreal apptitude questions

Q1. Difference between latch and flipflop
Ans. 
Latch is level triggered, while flip-flop is edge triggered. Latch is asynchronous, while flip-flop is synchronous.
• Latch is level triggered, meaning it changes output when the input signal is high or low continuously.

• Flip-flop is edge triggered, meaning it changes output only on the rising or falling edge of the clock signal.

• Latch is asynchronous, meaning the output changes as soon as the input changes.

• Flip-flop is syn...read more
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