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CISCO Job Placement Paper

Some Sample  questions (m.tech.)  tech.--24, apti.--20

1.                  On cmos power( formula- P=CV*Vf

2.                  Lowest noise margin in which logic family--
a) TTL   b)  CMOS   c)   biCMOS   d)    all have same                                    

3.                  If CMOS has tr(rise time)=tf.find Wp/Wn. given beta(n)=2*beta(p)

4.                  gm of a transistor is proportional to 
a)Ic b)Vt c)1/Vt d)none

5.                  If A and B are given in 2's complement find A-B in decimal.

6.                  Set up time,hold time ,clock to Q delay time (very important)

7.                  .3 questions on opamp (transfer function)(2 marks each)

8.                  2 questions on sequence detector (2 marks each)

9.                  Logic function boolean expressions(true/false) (3 question-1 mark each)probabily all false

10.              In I/O mapped how do you represent memory(1 mark)                                  

11.              The design of FSM(finite state machine) will--
   a)  increase time of design
   b)  increase delay
   c)  increase power
   d)  all of the above

12.              K-map minimization

13.              Phase locked loop(PLL) 1 question sachin

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