STUPIDSID
Short Questions
1(a)
What is difference between latch and flip-flop?
1 M
1(b)
Define Fan-out.
1 M
1(c)
What is the use of state diagram?
1 M
1(d)
Which gates are called as universal gates? What are its advantages?
1 M
1(e)
State the associative property of Boolean algebra
1 M
1(f)
List the types of ROM.
1 M
1(g)
What are called Don't care conditions?
1 M
1(h)
What is propagation delay?
1 M
1(i)
What is prime implicant?
1 M
1(j)
How many words a 16*8 memory can store?
1 M
1(k)
Define race around condition.
1 M
1(l)
Which TTL logic gate is used for wired ANDing?
1 M
1(m)
What is a state equation?
1 M
1(n)
Define Nibble.
1 M
2(a)
Explain the working of multiplexer.
3 M
2(b)
State and explain De Morgan's theorems with truth tables.
4 M
Solve any one question from Q.2(c) & Q.2(d)
2(c)
Explain two input CMOS NAND gate.
7 M
2(d)
Write short note on half adder and full adder.
7 M
Solve any three question from Q.3(a), Q.3(b), Q.3(c) & Q.3(d), Q.3(e), Q.3(f)
3(a)
Define the following terms.
I. Noise Margin II. PROM III. Negative Logic
I. Noise Margin II. PROM III. Negative Logic
3 M
3(b)
What are the different types of the codes used in digital systems? Explain them.
4 M
3(c)
Design 4 bit binary to gray code converter.
7 M
3(d)
Do as directed :
I. Given that (16)10 = (100)x, find the value of x.
II. Add (6E)16 and (C5)16
III. (4433)5 = ( )10 = ( )2
I. Given that (16)10 = (100)x, find the value of x.
II. Add (6E)16 and (C5)16
III. (4433)5 = ( )10 = ( )2
3 M
3(e)
Do as directed :
I. (1011011101101110)2 = ( )16
II. Subtract (45)8 from (66)8
III. Covert the Gray code 1101 to binary
IV. Find the XS-3 code of 37
I. (1011011101101110)2 = ( )16
II. Subtract (45)8 from (66)8
III. Covert the Gray code 1101 to binary
IV. Find the XS-3 code of 37
4 M
3(f)
Show that A ⊙ B = AB + A'B' = (A ⊕ B)' = (AB'+A'B)'. Also construct the corresponding logic diagrams.
7 M
Solve any three question from Q.4(a), Q.4(b), Q.4(c) & Q.4(d), Q.4(e), Q.4(f)
4(a)
Give the applications of Decoder.
3 M
4(b)
Implement the given function using multiplexer F(A,B,C) = ∑m(1,2,4,7)
4 M
4(c)
Reduce the expression F = ∑m(0,2,3,4,5,6) using K-map and implement using NAND gates only.
7 M
4(d)
Reduce the expression F = ((AB)'+A'+AB)'
3 M
4(e)
Explain the types of finite state machines?
4 M
4(f)
Distinguish between combinational and sequential logic circuits. Give the applications of flip-flops.
7 M
Solve any three question from Q.5(a), Q.5(b), Q.5(c) & Q.5(d), Q.5(e), Q.5(f)
5(a)
Write a short note on FPGA.
3 M
5(b)
Design 4-to-16 Decoder from two 3-to-8 Decoders.
4 M
5(c)
Design a synchronous BCD counter with JK flip-flops.
7 M
5(d)
Implement T flip flop using D flip flop.
3 M
5(e)
Give the comparison between synchronous and asynchronous counters.
4 M
5(f)
Write a note on Memory.
7 M
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