MCQ Tests for - Electrical Engineering (EE) Digital Electronics
Important MCQs with Answers for GATE EE Digital Electronics
Practicing MCQs with answers is one of the most reliable ways to assess your preparation level for the GATE Electrical Engineering exam. The Digital Electronics test series covers every major topic - from logic gates and Boolean algebra to flip-flops, counters, and converters - ensuring you are tested on all areas likely to appear in the exam. Attempting these questions regularly helps you identify weak areas and refine your approach to solving circuit-based and logic-based problems efficiently.
Number System & Representation
| Test: Number System & Binary Codes - 1 10 Ques | 30 Mins |  |
| Test: Number System & Binary Codes - 2 15 Ques | 45 Mins |  |
| Test: Octal Number System 10 Ques | 30 Mins |  |
| Test: Hexadecimal Number System 10 Ques | 30 Mins |  |
| Test: Signed Binary Numbers 10 Ques | 30 Mins |  |
| Test: Number Complements 10 Ques | 30 Mins |  |
| Test: Binary Coded Decimal 10 Ques | 30 Mins |  |
Logic Gate & Boolean Algebra
| Test: Logic Gates - 1 10 Ques | 30 Mins |  |
| Test: Logic Gates - 2 15 Ques | 45 Mins |  |
| Test: Combinational Logic 10 Ques | 30 Mins |  |
| Test: Boolean Logic Operations 10 Ques | 30 Mins |  |
| Test: Combinational Logic Circuits 10 Ques | 30 Mins |  |
Karnaugh Maps (K-Maps)
| Test: Karnaugh Maps (K-Maps) 10 Ques | 30 Mins |  |
| Test: K-Map Simplification 10 Ques | 30 Mins |  |
| Test: K-Map - 1 10 Ques | 30 Mins |  |
| Test: K-Map - 2 15 Ques | 45 Mins |  |
Topic-Wise Tests for Comprehensive GATE EE Digital Electronics Practice
Topic-wise tests allow you to focus your preparation on specific areas rather than taking broad tests before you are fully ready. The test series is structured to cover individual subjects in depth, including:
- Number systems, binary codes, and number complements
- Karnaugh map simplification and combinational logic circuits
- Logic families - TTL, CMOS, and emitter-coupled logic
- Sequential circuits, flip-flops, and shift registers
- Multiplexers, demultiplexers, encoders, and decoders
- Arithmetic logic units and A/D & D/A converters
This structured approach ensures thorough coverage of the GATE EE Digital Electronics syllabus before you move on to full-length tests.
Logic Families
| Test: Logic Families - 1 10 Ques | 30 Mins |  |
| Test: Logic Families - 2 15 Ques | 45 Mins |  |
| Test: Emitter- Coupled Logic 10 Ques | 30 Mins |  |
| Test: CMOS - 1 10 Ques | 30 Mins |  |
| Test: CMOS - 2 10 Ques | 30 Mins |  |
| Test: Transistor Transistor Logic (TTL) 10 Ques | 30 Mins |  |
Combinational Logic
| Test: Sequential Circuits - 1 10 Ques | 30 Mins |  |
| Test: Sequential Circuits - 2 15 Ques | 45 Mins |  |
| Test: Adders - 1 10 Ques | 30 Mins |  |
| Test: Half Adder 10 Ques | 30 Mins |  |
| Test: Adders - 2 10 Ques | 30 Mins |  |
| Test: Half Adder & full Adder 10 Ques | 30 Mins |  |
| Test: Combinational Circuits 10 Ques | 30 Mins |  |
| Test: Comparators 10 Ques | 30 Mins |  |
| Test: Encoders 10 Ques | 20 Mins |  |
| Test: Decoders 15 Ques | 30 Mins |  |
| Test: Priority Encoders 10 Ques | 20 Mins |  |
| Test: Comparators - 2 10 Ques | 30 Mins |  |
Data Selectors & Multiplexers
| Test: Multiplexers 10 Ques | 30 Mins |  |
| Test: Demultiplexers - 1 10 Ques | 30 Mins |  |
| Test: Demultiplexers - 2 5 Ques | 15 Mins |  |
Why Attempting Digital Electronics Tests Regularly Boosts Your GATE Score
Consistent test practice builds both speed and accuracy - two qualities that are critical for performing well in the GATE EE exam. Each test in this series is designed to simulate the difficulty and pattern of actual GATE questions, giving you a realistic sense of where you stand. Regular self-assessment through these tests also reinforces retention of concepts like flip-flop excitation tables, carry propagation logic, and CMOS characteristics, which are frequently tested in the exam.
Sequential Circuits
| Test: Flip Flops 15 Ques | 30 Mins |  |
| Test: Master Slave Flip Flop 15 Ques | 30 Mins |  |
| Test: D Flip Flops 15 Ques | 30 Mins |  |
| Test: S-R Flip Flop 15 Ques | 30 Mins |  |
| Test: S-R Latch 15 Ques | 30 Mins |  |
| Test: JK Flip Flop 15 Ques | 30 Mins |  |
| Test: T Flip Flop 15 Ques | 30 Mins |  |
| Test: Asynchronous Counter - 1 10 Ques | 20 Mins |  |
| Test: Asynchronous Counter - 2 10 Ques | 20 Mins |  |
| Test: Shift Registers - 1 10 Ques | 20 Mins |  |
| Test: Shift Registers - 2 10 Ques | 20 Mins |  |
| Test: Registers 10 Ques | 20 Mins |  |
A Simple ALU
| Test: Arithmetic Logic Units 10 Ques | 20 Mins |  |
A/D and D/A Converters, Sample and Hold Circuit
| Test: A/D Convertors 10 Ques | 30 Mins |  |
| Test: D/A Convertors 10 Ques | 30 Mins |  |
| Test: Sample & Hold Circuits 10 Ques | 30 Mins |  |
Full-Length Mock Tests for Final GATE EE Digital Electronics Preparation
After completing topic-wise practice, full-length mock tests serve as the ultimate preparation benchmark for the GATE Electrical Engineering exam. These tests bring together all areas of Digital Electronics - from combinational logic to sequential circuits and converters - under timed, exam-like conditions. Analyzing your performance across multiple mock tests helps you fine-tune your time management strategy and ensures that no important topic is left unprepared before the actual exam.
Practice Tests: Digital Electronics
| Test: Digital Electronics - 1 25 Ques | 25 Mins |  |
| Test: Digital Electronics - 2 25 Ques | 25 Mins |  |
| Test: Digital Electronics - 3 25 Ques | 25 Mins |  |
| Test: Digital Electronics - 4 25 Ques | 25 Mins |  |
| Test: Digital Electronics - 5 25 Ques | 25 Mins |  |