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Verification engineer Interview Questions

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Wats the difference between latch and flip flop. What is multiplexer? What is Demultiplexer Types of flip flop Solve the boolean function Data types in verilog

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Latches and flip-flops are building blocks of sequential circuits. Latches can be built from logic gates and flip-flops can be build from the latches. Latches works based on the function input but flipflop works based on the clock pulses. Multiplexer can be considered as a multiple input and single output switch. Demultiplexer takes single input line and routes it to one of the several digital output lines. Boolean expression for this is 1 to 4 data bits

Latches and flip-flops are building blocks of sequential circuits. Latches can be built from logic gates and flip-flops can be build from the latches. Latches works based on the function input but flipflop works based on the clock pulses. Multiplexer can be considered as a multiple input and single output switch. Demultiplexer takes single input line and routes it to one of the several digital output lines. Boolean expression for this is 1 to 4 data bits

Asked about the AXI protocol and it's verification test plan.

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What do you know about ARINC 429 protocol in terms of railways security. Rolling stock knowledge etc.

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Mostly on Digital systems design, fsm's, timing analysis and computer architecture.

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Factory writing for non QA scenarios

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They started with project related questions.

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Describe the uvm environment, deep copy & shalow copy, diff between mailbox & queue etc. Project description.

1 Answer

1) what is difference between axi and ace lite? 2) explain about cache coherency concept?

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Interview was Thorough and lot of questions based on interrupts , Computer Organisation , Embedded Systems , Digital Electronics were asked

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Asked about Basic Signalling like Block Section Working, Logic Circuits, Control Table Checking, Signalling Plan, CBTC Principles, Automation in C#, Process Automation & outcome. Success Ratio & feasibility of Automation in Signalling

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