Difficulty distribution
How the classified questions are distributed by difficulty.
5questions
Easy
5
100%
Number Representations - Digital Circuits - Electronics & Communication Engineering Previous Year Questions
Practice Number Representations - Digital Circuits - Electronics & Communication Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
4Papers
4Years
5Questions
1Topics
Number Representations question pattern
Every graph below is calculated only from this selection.
Questions by year
Year-wise coverage for Number Representations. Each bar uses a separate theme-derived color.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
5questions
MCQ
4
80%
Numerical Answer Type (NAT)
1
20%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Electronics and Communication Engineering (EC) 2026 | 2026 | 2 | View paper |
| Electronics & Communication Engineering (EC) 2024 | 2024 | 1 | View paper |
| Electronics & Communication Engineering (EC) 2021 | 2021 | 1 | View paper |
| Electronics & Communication Engineering (EC) 2020 | 2020 | 1 | View paper |
All Number Representations previous year questions
Practice every matching question in batches of 20, with every available option.
2020 · Electronics & Communication Engineering · Digital Circuits · Number Representations
Electronics & Communication Engineering (EC) 2020
P, Q, and R are the decimal integers corresponding to the 4-bit binary number 1100 considered in signed magnitude, 1's complement, and 2's complement representations, respectively. The 6-bit 2's complement representation of (P + Q + R) is
2021 · Electronics & Communication Engineering · Digital Circuits · Number Representations
Electronics & Communication Engineering (EC) 2021
If (1235)x = (3033)y, where x and y indicate the bases of the corresponding numbers, then
2024 · Electronics & Communication Engineering · Digital Circuits · Number Representations
Electronics & Communication Engineering (EC) 2024
In a number system of base \( r \), the equation \( x^2 - 12x + 37 = 0 \) has \( x = 8 \) as one of its solutions. The value of \( r \) is ________.
2026 · Electronics & Communication Engineering · Digital Circuits · Number Representations
Electronics and Communication Engineering (EC) 2026
The address of the first location of a 256 kilo byte (KB) memory is \( (2500)_H \).
Choose the correct address of the last location of the memory.
Choose the correct address of the last location of the memory.
2026 · Electronics & Communication Engineering · Digital Circuits · Number Representations
Electronics and Communication Engineering (EC) 2026