Infinx Associate Interview Questions and Answers

Q1. Please Tell me about yourself?
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Q2. What's your salary expectation?
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It was fairly good as the answers were from syallabus only

It was a bit tricky round as the questions was quite challenging

Aptitude,coding basics

Q1. Overall domain,and projrcts
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Q1. Non technical,personal info
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Good place to interview in the campus

Q1. What is binary search
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Binary search works by repeatedly dividing the search interval in half.

• It is more efficient than linear search for large arrays.

• Example: Searching for the number 7 in the array [1, 3, 5, 7, 9, 11] using binary search.
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35 Technical Questions+ 25 Aptitude Questions = Total 60 Questions.
Time allotted for the written exam is 60 minutes. There is 0.25 negative marking in the paper. Technical section consists of questions from topics related to core subjects such as Network Theory Basics, Electronic Devices, Digital Electronics, Analog Electronics, C language, OS, Communication Systems and Signals.
Frequency,Bandwidth,OPAMPs, Combinational and Sequential ckts are some very imp topics to be covered.

Q1. Introduce yourself , Explain your project in detail?!! What was the prototype? Did you build the system or device? What was the supply and threshold voltage, Bandwidth, Resolution of Microcontroller? What ...read more
Ans. 
I am a project engineer with experience in building prototypes. My latest project involved designing a device with a microcontroller.
• I will introduce myself as a project engineer with experience in building prototypes.

• I will explain my latest project which involved designing a device with a microcontroller.

• I will describe the prototype and the system in detail.

• I will discuss the supply and threshold voltage, bandwidth,...read more
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Q2. What is KCL,KVL? Consider a 5V DC supply connected to a 2 ohm resistor in the first mesh/loop followed by a 5 ohm resistor in the second/next loop or mesh. What is the voltage drop across 5 ohm resistor? C...read more
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Questions related to electrical engineering and digital electronics.
• KCL (Kirchhoff's Current Law) states that the sum of currents entering a node is equal to the sum of currents leaving the node.

• KVL (Kirchhoff's Voltage Law) states that the sum of voltage drops around a closed loop is equal to the applied voltage.

• The voltage drop across the 5 ohm resistor is 3V.

• The equivalent resistance of 4 meshes each having 3 resist...read more
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Q3. Embedded systems? A program to multiply two hex numbers in 8051 microcontroller. Explain 8051 architecture and each component involved? Harvard vs Von neuman architecture? Risc vs cisc? Memory of 8051? Re...read more
Ans. 
Explanation of 8051 architecture, memory, register banks, and RTOS.
• 8051 architecture consists of CPU, RAM, ROM, Timers, Serial Port, Interrupts, and I/O ports.

• Harvard architecture has separate memory for instructions and data, while Von Neumann architecture has a single memory for both.

• RISC architecture has simple instructions and fewer addressing modes, while CISC architecture has complex instructions and more address...read more
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Q4. What is Opamp? Opamp as inverting and non inverting adder n application of Opamp as summer, integrator, differentiator, voltage follower with ckt diagrams. Any question for us?
Ans. 
Opamp is a high-gain electronic amplifier used in various applications such as inverting and non-inverting adder, summer, integrator, differentiator, and voltage follower.
• Opamp stands for operational amplifier and is a type of amplifier with a high gain and differential input.

• In an inverting adder configuration, the output is the negative sum of the input voltages.

• In a non-inverting adder configuration, the output is t...read more
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Q1. It was a simple online round where, you need to answer some basic essay type questions. All the students who cleared tech round were finally selected for Bosch. HR round is just for formalities. No use th...read more
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Logical thinking and coding mcq which was moderate in difficulty

Hard with data structure concepts