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Previous year question hub

Computer Organization - Digital Circuits - Electronics & Communication Engineering Previous Year Questions

Practice Computer Organization - Digital Circuits - Electronics & Communication Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

11Papers
6Years
11Questions
1Topics

Computer Organization question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Computer Organization. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 7 63.6%
Medium 4 36.4%

Question type distribution

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

MCQ 9 81.8%
Numerical Answer Type (NAT) 2 18.2%

Subject weightage

Top subjects by unique question coverage.

Electronics & Communication Engineering
11 Qs

Most asked topics

Top topics across the included previous year papers.

Digital Circuits
11 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Computer Organization
11 Qs

Paper coverage

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

Electronics & Communication Engineering (EC) 2024
1 Qs
Electronics & Communication Engineering (EC) 2021
1 Qs
Electronics & Communication Engineering (EC) 2020
1 Qs
Electronics & Communication Engineering (EC) 2016 [Session 1]
1 Qs
Electronics & Communication Engineering (EC) 2016 [Session 3]
1 Qs
Electronics & Communication Engineering (EC) 2014 [Session 2]
1 Qs
Electronics & Communication Engineering (EC) 2014 [Session 4]
1 Qs
Electronics & Communication Engineering (EC) 2013 [Session 1]
1 Qs
Electronics & Communication Engineering (EC) 2013 [Session 2]
1 Qs
Electronics & Communication Engineering (EC) 2013 [Session 3]
1 Qs
Electronics & Communication Engineering (EC) 2013 [Session 4]
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Electronics & Communication Engineering (EC) 202420241View paper
Electronics & Communication Engineering (EC) 202120211View paper
Electronics & Communication Engineering (EC) 202020201View paper
Electronics & Communication Engineering (EC) 2016 [Session 1]20161View paper
Electronics & Communication Engineering (EC) 2016 [Session 3]20161View paper
Electronics & Communication Engineering (EC) 2014 [Session 2]20141View paper
Electronics & Communication Engineering (EC) 2014 [Session 4]20141View paper
Electronics & Communication Engineering (EC) 2013 [Session 1]20131View paper
Electronics & Communication Engineering (EC) 2013 [Session 2]20131View paper
Electronics & Communication Engineering (EC) 2013 [Session 3]20131View paper
Electronics & Communication Engineering (EC) 2013 [Session 4]20131View paper

All Computer Organization previous year questions

Practice every matching question in batches of 20, with every available option.

1
2013 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2013 [Session 1]
For 8085 microprocessor, the following program is executed.
MVI A, 05H;
MVI B, 05H;
PTR: ADD B;
DCR B;
JNZ PTR;
ADI 03H;
HLT;
At the end of program, accumulator contains
Open complete paper
2
2013 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2013 [Session 2]
For 8085 microprocessor, the following program is executed. MVI A, 05H; MVI B, 05H; PTR: ADD B; DCR B; JNZ PTR; ADI 03H; HLT; At the end of program, accumulator contains
Open complete paper
3
2014 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2014 [Session 2]
For the 8085 microprocessor, the interfacing circuit to input 8-bit digital data (DI₀ – DI₇) from an external device is shown in the figure. The instruction for correct data transfer is

Question diagram

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4
2014 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2014 [Session 4]
An 8085 microprocessor executes "STA 1234H" with starting address location 1FFEH (STA copies the contents of the Accumulator to the 16-bit address location). While the instruction is fetched and executed, the sequence of values written at the address pins A15 – A8 is
Open complete paper
5
2016 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2016 [Session 1]
In an 8085 system, a PUSH operation requires more clock cycles than a POP operation. Which one of the following options is the correct reason for this?
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6
2016 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2016 [Session 3]
In an 8085 microprocessor, the contents of the accumulator and the carry flag are A7 (in hex) and 0, respectively. If the instruction RLC is executed, then the contents of the accumulator (in hex) and the carry flag, respectively, will be
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7
2020 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2020
In an 8085 microprocessor, the number of address lines required to access a 16 K byte memory bank is __________.
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8
2021 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2021
The content of the registers are R1 = 25H, R2 = 30H and R3 = 40H. The following machine instructions are executed.
PUSH{R1}
PUSH{R2}
PUSH{R3}
POP{R1}
POP{R2}
POP{R3}
After execution, the content of registers R1, R2, R3 are
Open complete paper
9
2024 · Electronics & Communication Engineering · Digital Circuits · Computer Organization
Electronics & Communication Engineering (EC) 2024

A machine has a 32-bit architecture with 1-word long instructions. It has 24 registers and supports an instruction set of size 40. Each instruction has five distinct fields, namely opcode, two source register identifiers, one destination register identifier, and an immediate value. Assuming that the immediate operand is an unsigned integer, its maximum value is ________.

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