Solved question paper for DE Dec-2019 (B-TECH 3rd)
Solved Question Paper
Digital Electronics Dec-2019
PTU • B-TECH • Information Technology • 3rd • Dec-2019
Digital Electronics previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program in the Information Technology stream, 3rd semester. This section makes it easier to browse subject-wise old question papers for Digital Electronics, so students can review how questions on topics such as number systems, logic gates, and combinational and sequential circuits are typically framed in past exams. Many students search for digital electronics with answers pdf while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
These Questions are downloaded from www.brpaper.com. You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.
Solved Questions
Solved-
What are the universal gates? Justify.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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State De-Morgan’s Theorem.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Write the characteristic equation of 4×1 multiplexer.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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State the differences between combinational and sequential circuits.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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May 2023 Differentiate between combinational and sequential circuits.
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Dec 2020 Differentiate between combinational circuit and sequential circuits.
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Draw the excitation table of D flip flop.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Convert 101011 into Decimal system & Octal system.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Draw the state diagram of 3 bit up counter.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Static the functions of flip flops.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Define Mealy machine with state diagram.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Compare PLA, IP A and PROM.Short Answer 2 Marks Dec-2019 • PTU B-TECH
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Design a 5×32 decoder using 3×8 decoder and summarize that how many decoders required for designing?Long Answer 8 Marks Dec-2019 • PTU B-TECH
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Design a two bit magnitude comparator and draw its logic circuit.Long Answer 8 Marks Dec-2019 • PTU B-TECH
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Elucidate the design procedure of synchronous sequential circuits.Long Answer 8 Marks Dec-2019 • PTU B-TECH
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Perform the following addition by 2’s complement :
a) 20 to -26
b) 25 to -15.Short Answer 8 Marks Dec-2019 • PTU B-TECHExisting answers are stored as HTML; you can edit directly without converting to Markdown.
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What are various laws for Boolean logic simplification?Short Answer 8 Marks Dec-2019 • PTU B-TECH
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Design and implement BCD to gray code converter using PAL.Long Answer 8 Marks Dec-2019 • PTU B-TECH
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a) What are the different logic gates? Give their truth tables.
b) Write a short note on static, bipolar and MOSFET RAM cell.Long Answer 8 Marks Dec-2019 • PTU B-TECHExisting answers are stored as HTML; you can edit directly without converting to Markdown.
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Dec 2020 a) What are the different logic gates? Give their truth tables.\r\n\r\nb) Describe the classification of semiconductor memories.
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Draw the logic circuit, excitation table & truth table of RS Flip-Flop.Long Answer 8 Marks Dec-2019 • PTU B-TECH
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find Digital Electronics previous year question papers for Bachelor of Technology Information Technology, 3rd semester?
This page lists Digital Electronics question papers uploaded for Punjab Technical University Bachelor of Technology Information Technology, 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 Electronics 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 Electronics usually cover?
The question papers here relate to the Digital Electronics syllabus set by the university for this course and semester, which typically includes topics such as number systems, logic gates, and combinational and sequential circuits.
05 Does this page include a Digital Electronics with answers pdf 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 of Technology Information Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology Information Technology.