Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a)
Design 3-bit binary to gray code converter.
6 M
1(b)
Design MOD-6 synchronous counter using Toggle FF ( T FF).
6 M
2(a)
Design 3-bit parity generator for even parity bit.
6 M
2(b)
Convert SR FF to JK FF.
6 M
Solve any one question from Q.3(a,b) &Q.4(a,b)
3(a)
Design a sequential circuit for the given state diagram using delay flip-flop (D FF)
!mage
!mage
6 M
3(b)
Draw and explain working of two input TTL NAND gate and list advantages of totem pole output stage.
6 M
4(a)
Design mealy type sequence detector of detect a serial input sequence of 1101 using Delay FF (D-FF).
6 M
4(b)
Draw and explain two input CMOS NAND gate.
6 M
Solve any one question from Q.5(a,b,c) &Q.6(a,b,c)
5(a)
Implement the following functions using PLA:
\[F_{1}=\sum m(0, 2, 5, 7)\\ F_{2}=\sum m(2, 3, 4, 5)\]
\[F_{1}=\sum m(0, 2, 5, 7)\\ F_{2}=\sum m(2, 3, 4, 5)\]
6 M
5(b)
Compare PROM, PLA and PAL.
4 M
5(c)
Classify memories on the basis of principle of operation.
3 M
6(a)
Draw circuit of one cell of static RAM and explain its working.
6 M
6(b)
Draw and explain architecture of PLA.
4 M
6(c)
Explain how will you expand memory capacity (word size).
3 M
Solve any three question from Q.7(a) (i, ii, iii, iv)Solve any one question from Q.7(a,b,c) &Q.8(a,b
7(a)(i)
Explain the following pins of 8051 :
PSEN (active low )
PSEN (active low )
2 M
7(a)(ii)
EA (active low)
2 M
7(a)(iii)
ALE
2 M
7(a)(iv)
RST
2 M
7(b)
Explain any four multi-function pins of port-3 of 8051.
4 M
7(c)
List out features of 8051.
3 M
Solve any three question from Q.8(a)(i,ii, iii, iv)
8(a)(i)
Explain the following instructions with example:
MOVX A, @DPTR
MOVX A, @DPTR
2 M
8(a)(ii)
ADDC A,B
2 M
8(a)(iii)
MUL AB
2 M
8(a)(iv)
RETI.
2 M
8(b)
Draw and explain block diagram of 8051 in detail.
4 M
8(c)
Write a program for 8-bit multiplication of binary numbers.
3 M
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