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Previous year question hub

Digital Logic - Computer Science & Information Technology Previous Year Questions

Practice Digital Logic - Computer Science & Information Technology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

27Papers
18Years
113Questions
1Topics

Digital Logic question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 57 50.4%
Medium 55 48.7%
Hard 1 0.9%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 74 65.5%
Numerical Answer Type (NAT) 22 19.5%
MSQ 17 15%

Subject weightage

Top subjects by unique question coverage.

Computer Science & Information Technology
113 Qs

Most asked topics

Top topics across the included previous year papers.

Digital Logic
113 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Combinational and Sequential Logic
40 Qs
Boolean Algebra and Logic Minimization
38 Qs
Number Representation and Arithmetic
35 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Computer Science and Information Technology (CS) 2026
5 Qs
Computer Science and Information Technology (CS) 2026
5 Qs
Computer Science & Information Technology (CS) 2025 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2025 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2024 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2024 [Session 2]
4 Qs
Computer Science & Information Technology (CS) 2023 [Session 2]
6 Qs
Computer Science & Information Technology (CS) 2022 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2021 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2021 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2020 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2019 [Session 2]
6 Qs
Computer Science & Information Technology (CS) 2018 [Session 2]
4 Qs
Computer Science & Information Technology (CS) 2017 [Session 2]
6 Qs
Computer Science & Information Technology (CS) 2016 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2014 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2014 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2014 [Session 3]
2 Qs
Computer Science & Information Technology (CS) 2013 [Session 1]
3 Qs
Computer Science & Information Technology (CS) 2013 [Session 3]
3 Qs
Computer Science & Information Technology (CS) 2013 [Session 4]
3 Qs
Computer Science & Information Technology (CS) 2013 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2011
5 Qs
Computer Science & Information Technology (CS) 2010
5 Qs
Computer Science & Information Technology (CS) 2009
4 Qs
Computer Science & Information Technology (CS) 2008
6 Qs
Computer Science & Information Technology (CS) 2007
8 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Combinational and Sequential Logic

Explore previous-paper coverage, trends and focused practice for Combinational and Sequential Logic.

40 questions24 papers17 years

Boolean Algebra and Logic Minimization

Explore previous-paper coverage, trends and focused practice for Boolean Algebra and Logic Minimization.

38 questions24 papers15 years

Number Representation and Arithmetic

Explore previous-paper coverage, trends and focused practice for Number Representation and Arithmetic.

35 questions22 papers15 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Computer Science and Information Technology (CS) 20262026
5 questions in this view		2026
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science and Information Technology (CS) 20262026
5 questions in this view		2026
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2025 [Session 1]2025
4 questions in this view		2025
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2025 [Session 2]2025
5 questions in this view		2025
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2024 [Session 1]2024
4 questions in this view		2024
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2024 [Session 2]2024
4 questions in this view		2024
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2023 [Session 2]2023
6 questions in this view		2023
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2022 [Session 2]2022
3 questions in this view		2022
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2021 [Session 1]2021
4 questions in this view		2021
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2021 [Session 2]2021
5 questions in this view		2021
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2020 [Session 2]2020
2 questions in this view		2020
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2019 [Session 2]2019
6 questions in this view		2019
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2018 [Session 2]2018
4 questions in this view		2018
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2017 [Session 2]2017
6 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2016 [Session 1]2016
4 questions in this view		2016
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 1]2014
3 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 2]2014
3 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 3]2014
2 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 1]2013
3 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 2]2013
1 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 3]2013
3 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 4]2013
3 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20112011
5 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20102010
5 questions in this view		2010
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20092009
4 questions in this view		2009
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20082008
6 questions in this view		2008
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20072007
8 questions in this view		2007
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Official documents
Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Computer Science & Information Technology · Digital Logic · Boolean Algebra and Logic Minimization
Computer Science & Information Technology (CS) 2007
What is the maximum number of different Boolean functions involving \( n \) Boolean variables?
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2
2008 · Computer Science & Information Technology · Digital Logic · Number Representation and Arithmetic
Computer Science & Information Technology (CS) 2008

In the IEEE floating point representation the hexadecimal value 0x00000000 corresponds to

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3
2009 · Computer Science & Information Technology · Digital Logic · Number Representation and Arithmetic
Computer Science & Information Technology (CS) 2009
\((1217)_8\) is equivalent to
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4
2010 · Computer Science & Information Technology · Digital Logic · Boolean Algebra and Logic Minimization
Computer Science & Information Technology (CS) 2010
The minterm expansion of \(f(P, Q, R) = PQ + Q\bar{R} + P\bar{R}\) is
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5
2013 · Computer Science & Information Technology · Digital Logic · Number Representation and Arithmetic
Computer Science & Information Technology (CS) 2013 [Session 1]

The smallest integer that can be represented by an 8-bit number in 2’s complement form is

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6
2013 · Computer Science & Information Technology · Digital Logic · Boolean Algebra and Logic Minimization
Computer Science & Information Technology (CS) 2013 [Session 2]
Which one of the following expressions does NOT represent exclusive NOR of $x$ and $y$?
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