Punjab Technical University | 3rd
digital circuits and logic design
📚 Syllabus - DCLD (BCA 3rd)
SECTION-A
Number System:DecimalNumberSystem,Binary NumberSystem,OctalNumberSystem,HexadecimalNumberSystem,Conversion
fromOneNumberSystemto another,ArithmeticOperation
withoutChangingtheBase,1‟sComplementand2‟sComplement.Logic Gates:AND,OR,NOT,
NAND,NOR,XOR,XNOR,NAND & NORasUniversal Gates,LogicGatesApplications.
SECTION-B
Boolean Algebra: Introduction, Theorems, Simplification of Boolean Expression using Boolean
Algebra,SOP& POS Forms,RealizationofBoolean ExpressionusingGates,K-Maps,Simplification of
BooleanExpressionusing K-Maps.Combinational LogicCircuits:HalfAdder&HalfSubtractor, Full
Adder&Full Subtractor,Parallel BinaryAdder,BinaryAdder/Subtractor.
SECTION-C
CombinationalLogic Circuits:Multiplexers&Demultiplexers,ImplementationofBooleanequations using
MultiplexerandDemultiplexer,Encoders&Decoders.SequentialLogic Circuits:Latch, Flip Flops-R-SFlipFlop,
J-KFlip-Flop,Master-SlaveJ-KFlip-Flop,RaceCondition,RemovingRace Condition,D Flip-Flop,T
Flip-Flop,ApplicationsofFlip-Flops.
SECTION-D
Counters: Clock Pulse Generator using 555 Timer as Monostableand Multivibrator, Design of
AsynchronousCounters,Design ofSynchronousCounters,Up-Down Counters,MOD-N Counters.
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About This Question Paper Collection
Browse DCLD 3rd question papers for BCA students at Punjab Technical University. This page helps students review question patterns, prepare for exams, and understand how previous papers are structured.
Select a paper below to open year-wise question papers, solutions, or available answer content where listed on BRpaper.
How Students Can Use These Papers
Old question papers for digital circuits and logic design are a quick way to see how Punjab Technical University has structured exams in the past — useful for timing practice and identifying high-priority topics.
Treat them as a supplement, not a replacement, for the latest syllabus and official notices, and use them to build confidence before the actual exam.
FAQ
Frequently Asked Questions
Helpful answers about this subject, papers, and exam preparation.
01 Where can I find digital circuits and logic design previous year question papers for Bachelor in Computer Application, 3rd semester?
This page lists digital circuits and logic design question papers uploaded for Punjab Technical University Bachelor in Computer Application, 3rd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year digital circuits and logic design papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does digital circuits and logic design usually cover?
The question papers here relate to the official digital circuits and logic design syllabus set by the university for this course and semester.
05 Does this page include a digital circuits and logic design syllabus or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor in Computer Application?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor in Computer Application.
Important
Important Disclaimer
BRpaper is not the official website of Punjab Technical University or any institution. BRpaper organizes available question papers for student reference only. For official notices, date sheets, results, syllabus changes, and academic updates, students should visit the official university website.