STUPIDSID
1 (a)
Explain the working of Master-Slave J-K flip-flop.
7 M
1 (b)
Explain why NAND and NOR are known as universal gates and construct AND, OR and NOT using the universal gates
7 M
2 (a)
State and explain De Morgan's theorems with truth tables.
7 M
2 (b)
Explain how four bit combined binary adder and subtractor circuit can be constructed using full adders?
7 M
2 (c)
Explain TTL and CMOS logic.
7 M
3 (a)
Do as direct:-
I) Find the XS-3 code of following decimal numbers
i) 26 ii) 42 iii) 63
II) (4CD)16=( )10=( )2
III) Solve the following using 2's Complement
i) (-4)-(-8) ii) (3)-(-6).
I) Find the XS-3 code of following decimal numbers
i) 26 ii) 42 iii) 63
II) (4CD)16=( )10=( )2
III) Solve the following using 2's Complement
i) (-4)-(-8) ii) (3)-(-6).
7 M
3 (b)
Do as direct:
I) Add the following decimal numbers using 8421 BCD equivalent codes 679.6+536.8
II) Convert the following Binary to Gray Code
i) 1001 ii) 1010 iii) 1011.
III) Multiply the binary numbers (1011.01)X(10.1)
I) Add the following decimal numbers using 8421 BCD equivalent codes 679.6+536.8
II) Convert the following Binary to Gray Code
i) 1001 ii) 1010 iii) 1011.
III) Multiply the binary numbers (1011.01)X(10.1)
7 M
3 (c)
Define the following general characteristics of logic families.
(i) Propagation delay time (ii) Noise margin (iii) Fan-in (iv) Hold time (v) Clear (vi) Fan-out (vii) Power dissipation.
(i) Propagation delay time (ii) Noise margin (iii) Fan-in (iv) Hold time (v) Clear (vi) Fan-out (vii) Power dissipation.
7 M
3 (d)
Describe multiplexer and de-multiplexer with circuit and application of each.
7 M
4 (a)
Apply De Morgan's theorem to solve the following \[ i) \ (\overline {A+ \overline {BC}})(A\overline{B}+ABC)=0 \\ \\ ii) \ A\left [ B+\overline {C}(\overline {AB + A \overline {C}}) \right ]=AB \]
7 M
4 (b)
What are SOP and POS forms of boolean expressions? Minimize the following expression using K-map
Y= ∑m(4,5,7,12,14,15) + d( 3,8,10)
Y= ∑m(4,5,7,12,14,15) + d( 3,8,10)
7 M
4 (c)
Describe the working of look-ahead-carry adder.
7 M
4 (d)
Explain in brief the working of decoders.
7 M
5 (a)
Classify the various modes of operation of shift registers. Explain the serial in parallel out operation of shift register.
7 M
5 (b)
Discuss the applications of shift registers.
7 M
5 (c)
What is the basic difference between synchronous and asynchronous counter? Describe synchronous 3-bit up counter.
7 M
5 (d)
Explain the working of Analog to Digital converter with necessary diagrams.
7 M
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