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VLSI Interview Questions and Answers

Ques 1. What is the significance of Moore's Law in VLSI?

Moore's Law states that the number of transistors on a microchip doubles approximately every two years, leading to increased computing power and performance.

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Ques 2. Explain the difference between ASIC and FPGA.

ASIC (Application-Specific Integrated Circuit) is a custom-designed chip for a specific application, while FPGA (Field-Programmable Gate Array) is a programmable chip that can be configured by the user.

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Ques 3. What is static timing analysis in VLSI design?

Static timing analysis is a method used to determine the timing characteristics of a digital circuit without simulating its dynamic behavior. It helps ensure that the circuit meets its performance requirements.

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Ques 4. Explain the concept of clock skew in VLSI design.

Clock skew refers to the variation in arrival times of a clock signal at different elements of a circuit. It can impact the overall performance and reliability of the design.

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Ques 5. What is the significance of DFT (Design for Testability) in VLSI?

DFT techniques are employed to make it easier to test and diagnose faults in a VLSI circuit. It involves the inclusion of test features during the design process.

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