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Showing posts with label TEXAS PAPER. Show all posts
Showing posts with label TEXAS PAPER. Show all posts

Thursday, May 3, 2007

TEXAS PAPER

2) simplification of boolean function
2) one question on sampling frequency
3) FSM(finite state machine): Adder: can be implimented using single FSM, Multiplier can take more than one FSM
4) ((a*b)+c)/d how many stack operations : 9
5) 128k bytes of cache , 32 bytes each, total memory 128Mbytes cache will devide the memory in how many : 1024.
6) Gate output is of the above ckt : tristate inverter with B as enable for high impedence state
7) totla number of two input boolean logic function can be implemented : 6 (OR, AND, EXOR, EXNOR, NAND, NOR)

8) y= ab+ a’c+bc Ans: may have glitch and can be reduced
9) which of the following is not an universal logic set , (a)2 to 1 Mux, (b)3-input NAND (c)2-EXOR+1-NOT (d)2-input AND + 2input OR.
10) REC trychy , train problem ans : 7.5 m/s
11) Voltage at node B for a ckt with two voltage sources of 10 v and 20 v. Ands: -5v
If the question is of voltage drop across R , it is ‘0’ . There is no current flowing through that element
12) two sequential flow digrams are given of 3 and 4 state rsply. So ans. is 3 and 4 .
13) Max frequency of operation is
T= T(steup time) + T(delay time)+ T(Skew time)
14) one question on big endean memory format (whether LSB is stored at starting address .)
15) CMOS questions : Vout Vs. Vin characteristics depend on W/L ratio.(answer which of the MOSFETS are having more steeper characteristics if the W/L ratios of PMOs or Nmos or both are goibg to be increased ).
16) Realeted to aptitude do all aptitude questions , if time permites then go to english setion.
Maintain time to answer aptitude section , because u should answer 60% of the aptitude .
All the best

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