SRM University 2007 B.Tech Information Technology IT100 -DIGITAL ELECTRONICS - Question Paper

15) Implement the subsequent Boolean function using 4:1 multiplexer?
F(A,B,C)=?m(1,3,5,6)

16) Design 32 to one multiplexer using 4 eight to one multiplexer and two to four decoder?
17) Implement the subsequent Boolean function using 8:1 MUX
F(A,B,C,D) =?M(0,3,5,8,9,10,12,14)
18) Explain how you will build a 64 input MUX using 9 eight input MUXs?
19) Design a BCD to Excess -3 code converter and implement using suitable PLA?
20) Implement the subsequent Boolean function using PAL
w(A,B,C,D)=?m(0,2,6,7,8,9,12,13)
x(A,B,C,D)=?m(0,2,6,7,8,9,12,13,14)
y(A,B,C,D)=?m(2,3,8,9,10,12,13)
z(A,B,C,D)=?m(1,3,4,6,9,12,14)











UNIT IV

PART-A

1) List the properties of sequential switching networks?
2) State the difference ranging from combinational circuits and sequential circuits?
3) What do you mean by Latches?
4) Give the difference ranging from latches and flip flops?
5) Define Flipflops?
6) State the need for a timing diagram?
7) Define propagation delay?
8) List the design procedures for designing a sequential circuit?
9) State the operation of S-R flipflop?
10) Draw the timing diagram for S-R fliflop?
11) State the operation of T-fliflop?
12) Draw the timing diagram of T- flipflop and its state table?
13) State the features of clocked T flipflop?
14) State the operation of J-K flipflop?
15) What is an synchronous sequential network?
16) State the difference ranging from synchronous sequential and Asynchronous networks
17) Draw the timing diagram of clocked D-flipflop?
18) Define the characteristic formula of a flipflop?
19) List the different steps involved in the derivation of a characteristic formula of a fliflop?
20) Give the characteristics formula for S-R , T,J-K and D-flipflop?
21) What is a counter?
22) State the characteristic features of synchronous Binary counter?
23) Illustrate a 4-bit cyclic right-shit register constructed from S-R flipflop?
24) Give the comparison ranging from combination circuits and sequential circuits?
25) What do you mean by set uptime?
26) What do you mean by Hold time?
27) What is a buffer register?
28) List the kinds of shift register?
29) List out the different applications of shift registers?
30) Explain the conversion of JR flipflop to D flipflop?
31) Explain the conversion of T flipflop to D-flipflop?
32) Give a note about Buffer register?
33) Define Tri-state registers?
34) Give the comparison ranging from synchronous and Asynchronous counters?

Earning:   Approval pending.