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#1 2012-04-02 06:01:06

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Very-large-scale integration (VLSI) Interview Questions And Answers

Computer Embedded Systems :: Very-large-scale integration (VLSI) Job Interview Questions and Answers

VLSI job interview questions and answers guideline. Lean Very-large-scale integration (VLSI) and get preparation for the job of VLSI

1 ► Have you studied pipelining? List the 5 stages of a 5 stage pipeline. Assuming 1 clock per stage, what is the latency of an instruction in a 5 stage machine? What is the throughput of this machine?
2 ► Explain How many bit combinations are there in a byte?
3 ► Suppose For a single computer processor computer system, what is the purpose of a processor cache and describe its operation?
4 ► Do you know MESI?
5 ► What are the main issues associated with multiprocessor caches and how might you solve them?
6 ► What types of high speed CMOS circuits have you designed?
7 ► What products have you designed which have entered high volume production?
8 ► If not into production, how far did you follow the design and why did not you see it into production?
9 ► What is the most complicated/valuable program you written in C/C++?
10 ► Explain the difference between write through and write back cache?
11 ► What is the term snooping?
12 ► Describe a finite state machine that will detect three consecutive coin tosses (of one coin) that results in heads?
13 ► In what cases do you need to double clock a signal before presenting it to a synchronous state machine?
14 ► You have a driver that drives a long signal & 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?
15 ► What is VHDL and/or Verilog?
16 ► What are the total number of lines written by you in C/C++? What compiler was used?
17 ► What is the difference between = and == in C?

2012-04-02 06:01:06

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