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Course objectives:
This laboratory course enables students to get practical experience in design, realization and verification of
• Demorgan’s Theorem, SOP, POS forms
• Full/Parallel Adders, Subtractors and Magnitude Comparator
• Multiplexer using logicgates
• Demultiplexers and Decoders
• Flip-Flops, Shift registers and Counters.
Laboratory Experiments:
1. Verify
(i) Demorgan’sTheoremfor2variables.
(ii) The sum-of product and product-of-sum expressions using universal gates.
2. Design and implement
(i) Half Adder & Full Adder using i) basic gates. ii) NAND gates
(ii) Half subtractor& Full subtractor using i) basic gates ii) NAND gates
3.Design and implement
(i) 4-bit Parallel Adder/Subtractor using IC 7483.
(ii) BCD to Excess-3 code conversion and vice-versa.
4. Design and Implementation of
(i) 1-bit Comparator
(ii) 5-bit Magnitude Comparator using IC 7485.
5. Realize
(i) Adder & Subtactors using IC 74153.
(ii) 4-variable function using IC74151(8:1MUX).
6. Realize (i) Adder & Subtractors using IC74139.
(ii) Binary to Gray code conversion & vice-versa (74139)
7. Realize the following flip-flops using NAND Gates: Master-Slave JK, D & T Flip-Flop.
8. Realize the following shift registers usingIC7474/7495
(i) SISO (ii) SIPO (iii)) PISO(iv) )PIPO (v) Ring (vi) Johnson counter
9. Realize (i) Design Mod – N Synchronous Up Counter & Down Counter using 7476 JK Flip-flop
(ii) Mod-N Counter using IC7490 / 7476
(iii) Synchronous counter using IC74192
10. Design Pseudo Random Sequence generator using 7495.
11. Design Serial Adder with Accumulator and Simulate using Simulation tool.
12. Design Binary Multiplier and Simulate using Simulation tool.
Course Outcomes:
On the completion of this laboratory course, the students will be able to:
• Demonstrate the truth table of various expressions and combinational circuits using logicgates.
• Design various combinational circuits such as adders, subtractors, comparators, multiplexers and demultiplexers.
• Construct flips-flops, counters and shift registers.
• Simulate Serial adder and Binary Multiplier.
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