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Thursday, April 10, 2008

CPU engineer interview questions

  1. For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?
  2. Explain the operation considering a two processor computer system with a cache for each processor.
  3. What are the main issues associated with multiprocessor caches and how might you solve it?
  4. Explain the difference between write through and write back cache.
  5. Are you familiar with the term MESI?
  6. Are you familiar with the term snooping?
  7. Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads.
  8. In what cases do you need to double clock a signal before presenting it to a synchronous state machine?
  9. You have a driver that drives a long signal and connects to an input device. At the input device there is either overshoot, undershoot or signal threshold violations, what can be done to correct this problem?


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Common Interview Questions