Ignitarium Technology Solutions Interview Questions, Process, and Tips

Q1. Explain storage variables in C?
Ans. 
Storage variables in C are used to store data temporarily during program execution.
• Storage variables in C are declared using data types like int, float, char, etc.

• They can be stored in different memory locations like stack, heap, or data segment.

• Variables declared outside functions have global scope and are stored in data segment.

• Variables declared inside functions have local scope and are stored in stack memory.

• Dynami...read more
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Q2. Take two numbers, reverse both, then perform addition and reverse again?
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Q3. First three kinds of sorting
Ans. 
The first three kinds of sorting are bubble sort, selection sort, and insertion sort.
• Bubble sort compares adjacent elements and swaps them if they are in the wrong order.

• Selection sort selects the smallest element and swaps it with the first element, then selects the second smallest element and swaps it with the second element, and so on.

• Insertion sort builds the final sorted array one item at a time by inserting each
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Q4. Output questions based on pointers in C
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Q1. CDC technique , and why need of CDC
Ans. 
CDC stands for Clock Domain Crossing technique used in digital design to ensure proper data transfer between different clock domains.
• CDC technique involves synchronizing data signals when crossing between different clock domains to prevent metastability issues.

• It is necessary because different clock domains operate at different frequencies and can lead to data corruption if not properly synchronized.

• Common CDC techniqu...read more
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Q2. How to transfer multiple bits in CDC
Ans. 
Transfer multiple bits in CDC involves using a parallel data transfer method.
• Use parallel data transfer method to transfer multiple bits simultaneously

• Implement a shift register to store and shift out multiple bits

• Utilize multiplexers to select and transfer specific bits

• Consider using a bus architecture for efficient data transfer
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Electronics based questions on sta ,mosfet etc

Q1. What is setup and hold time
Ans. 
Setup and hold time are timing constraints in digital circuits to ensure proper operation of flip-flops.
• Setup time is the minimum amount of time data must be stable before the clock edge for proper operation.

• Hold time is the minimum amount of time data must be stable after the clock edge for proper operation.

• Violating setup time can result in metastability issues.

• Violating hold time can result in data corruption.

• Exampl...read more
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Q2. D flip flop verilog
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Q1. About my project
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Q2. In depth knowledge of matlab/simulink
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C program to find address of pointer

Q1. Sequence Detector
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Q2. About different types of Counters, and counters related Questions
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Q3. Flipflop related Questions
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Q1. Power dissipation Types
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Q2. Latch up Problem
Ans. 
Latch up is a phenomenon in integrated circuits where a parasitic structure causes a low-impedance path to form, leading to a high current flow.
• Latch up can occur in CMOS circuits due to the parasitic thyristor formed by the p-n-p-n structure of the MOSFETs.

• It can be triggered by high voltage spikes or excessive current, causing the parasitic thyristor to turn on and create a short circuit.

• Latch up can be prevented by ...read more
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Q1. Technical basics
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Q1. Based on cv and experience questions
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