Interview questions

Hardware Design interview questions

19 questions. Tap “Show answer” to check yourself.

  1. Suppose you have a combination circuit between two registers driven by a clock. What will you do if the delay of the combination circuit is greater than your clock signal? (You can't resize the combination circuit transistors)

  2. Design a divide-by-3 sequential circuit with 50% duty circle.

  3. Design a Transmission Gate based XOR. Now, how do you convert it to XNOR?

  4. Design any FSM in VHDL or Verilog.

  5. How do you detect a sequence of "1101" arriving serially from a signal line?

  6. What are set up time & hold time constraints? What do they signify? Which one is critical for estimating maximum clock frequency of a circuit?

  7. What are the different Adder circuits you studied?

  8. Give two ways of converting a two input NAND gate to an inverter.

  9. Explain the working of a binary counter.

  10. Explain RC circuit's charging and discharging.

  11. Give a circuit to divide frequency of clock cycle by two?

  12. How do you detect if two 8-bit signals are same?

  14. Draw a Transmission Gate-based D-Latch?

  15. Describe how you would reverse a singly linked list.

  16. Given a circuit, draw its exact timing response.

  17. How to flash dead phone?

  18. Why do you want a career change?

  19. What is the difference between SYNONYM and ALIAS?

  20. What is the meaning of cascading in CSS?

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