Lumens Technologies Servicenow Developer Interview Questions and Answers

Q1. Confidence & working attitude
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Q2. Job related information
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Q3. Basically check communication skill
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Q4. Current salary & expected salary
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Q1. Questions related to ipc
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Q2. Question on data structures
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Q3. Some on arm architecture
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Q1. Digital circuit Designing for adders, mux, couter, FSM. In Verilog Blocking and non-blocking assignments, RAM RTL code, Datatypes etc
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Digital circuit design in Verilog including adders, mux, counter, FSM, RAM RTL code, datatypes, and blocking/non-blocking assignments.
• Verilog is a hardware description language used for digital circuit design.

• Adders are used for arithmetic operations, mux for data selection, counter for counting, and FSM for control logic.

• Blocking assignments are executed sequentially, while non-blocking assignments are executed concur...read more
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Q1. Introduction, Want to join or not
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Q1. Basic digital electronics
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Q2. Latch and flipflop differences
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Latch is level triggered, while flip-flop is edge triggered. Latch is asynchronous, while flip-flop is synchronous.
• Latch stores data as long as the enable signal is high, while flip-flop stores data only on the rising or falling edge of the clock signal.

• Latch is level triggered, meaning it changes output whenever the input changes, while flip-flop is edge triggered, changing output only on clock signal edges.

• Latch is a...read more
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Q1. Digital electronics combinational amd sequential circuits
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Q1. What is VLSI? How do you know about it?
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VLSI stands for Very Large Scale Integration. It involves designing and fabricating integrated circuits with millions of transistors on a single chip.
• VLSI involves the design and fabrication of integrated circuits with millions of transistors on a single chip

• It is a field within electronic engineering that deals with the miniaturization of circuits to increase functionality and performance

• VLSI design involves creating ...read more
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VLSI Design Methodologies using Verilog HDL

Q1. Ofdm, Fixed point, sampling theorem, digital filters,
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Q2. Previous work clarity
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Previous work clarity is essential for successful collaboration and understanding of project requirements.
• Clearly explain the projects you have worked on in the past, including your role and responsibilities

• Provide examples of how you communicated with team members to ensure clarity in project goals

• Discuss any challenges you faced in previous projects and how you overcame them
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Q1. Fft, ofdm, CP, sampling theorem, previous experience,
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Q2. C basics, memory layout, function pointer, big small endian, bit manipulation, zero padding in structures
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Bit manipulation, memory layout, interrupts, semaphore mutex, implement memcpy, sorting, algo to share resource equally

Q1. Previous work experience, general attitude
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