Digital Electronics MCQs

Solved Digital Electronics MCQs: number systems, Boolean algebra and K-maps, combinational and sequential circuits.

16 articles in this topic

DeMux, Decoder and Encoder MCQs: 12 Solved Questions with Explanations

Solve 12 decoder, encoder and demultiplexer questions, then use clear calculations and signal-direction checks to understand every answer.

Updated 16 Aug 20267 min readDigital Electronics MCQs

Binary, Octal & Hexadecimal MCQs: 12 Solved Questions with Explanations

Solve 12 previous-year MCQs step by step, from binary, octal and hexadecimal conversions to fractional values, arithmetic, bit counts and bitwise AND.

Updated 14 Aug 20268 min readDigital Electronics MCQs

Binary Arithmetic Operations MCQs: 12 Solved Questions with Step-by-Step Explanations

Practise 12 real exam MCQs on binary arithmetic with step-by-step solutions covering carry chains, complements, division, BCD, mixed bases and shifts.

Updated 12 Aug 20268 min readDigital Electronics MCQs

BCD & Special Codes MCQs: 12 Solved Questions with Explanations

Work through 12 previous-year MCQs on digit-wise BCD, Excess-3 correction and Gray-code conversion, from GATE, ISRO, DSSSB and UGC NET, each solved step by step.

10 Aug 20268 min readDigital Electronics MCQs

1's Complement MCQs: 10 Solved Questions with Explanations

Solve 10 previous-year MCQs on 1's complement, signed magnitude, binary fractions, radix complements and fixed-point representation. Each explanation shows the decisive conversion or range check.

Updated 8 Aug 20267 min readDigital Electronics MCQs

Number System Basics and Decimal Conversion MCQs: 12 Solved Questions

Practise 12 number system MCQs with fresh, step-by-step solutions covering radix, valid digits, decimal conversions, binary fractions, and base grouping.

Updated 5 Aug 20268 min readDigital Electronics MCQs

2's Complement MCQs: 12 Solved Questions with Explanations

Solve 12 GATE 2's complement MCQs step by step, from negative encoding and sign extension to multiplication, hexadecimal scaling and fixed-width overflow.

Updated 3 Aug 20268 min readDigital Electronics MCQs

NAND and NOR Universal Gates MCQs: 12 Solved Questions with Explanations

Solve 12 NAND and NOR universal-gate MCQs in order, from gate identification to functional completeness. Each answer shows the Boolean step that decides the option.

Updated 31 Jul 20268 min readDigital Electronics MCQs

Boolean Function Counts MCQs: 10 Solved Questions with Explanations

Solve ten Boolean function count questions from first principles, then use the same truth-table logic for self-duality, complementation, and Shannon expansion.

Updated 29 Jul 20267 min readDigital Electronics MCQs

Hazards and Timing Questions: 10 Solved MCQs, NATs and Timing Problems

Ten solved Hazards and Timing questions with worked explanations for hazard types, consensus terms, K-map transitions, glitch duration and timing waveforms.

Updated 29 Jul 20268 min readDigital Electronics MCQs

Adders and Subtractors MCQs: 12 Solved Questions with Step-by-Step Explanations

Solve 12 adders and subtractors MCQs on half and full circuits, borrow logic, mode control and ripple-carry delay. Each answer works the decisive step.

Updated 23 Jul 20267 min readDigital Electronics MCQs

Sync Counter Analysis MCQs: 12 Solved GATE, UGC NET and PSC Questions

Solve 12 sync counter analysis questions on modulus, flip-flop count, frequency division and state tracing. Nine are previous-year problems with full working.

Updated 21 Jul 20267 min readDigital Electronics MCQs