Cisco Test Paper :12

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Test Paper :12
 Paper Type     : Aptitude - General  Posted By        : admin  

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

On cmos power( formula- P=CV*Vf

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

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

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

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

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

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

2 questions on sequence detector (2 marks each)

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

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

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

K-map minimization

Phase locked loop(PLL) 1 question sachin