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Friday, 9 October

JEE Main Physics · Semiconductor Electronics: Materials, Devices and Simple Circuits

Combinational Logic Circuits

Combinational Logic Circuits (Semiconductor Electronics: Materials, Devices and Simple Circuits) was asked 16 times in 16 JEE Main shifts, 2020–2026, out of the 42 shifts Lumi analysed.

Times asked
16
in 16 shifts
Years
2020–2026
Usual format
Diagram based
Diagram reading
Pattern
Asked most years
repeats across shifts

How it is asked

  • Identify output of combinational logic circuit
  • Identify gate from combinational circuit

Difficulty

Easy 7Medium 9Hard 0

Where it sits

Chapter: Semiconductor Electronics: Materials, Devices and Simple Circuits. Topic: Logic Gates, 21 questions over 6 ideas.

Every time it came

All 16 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2026, Shift 2 · Q30If X and Y are the inputs, the given circuit works asMediumDiagram basedHas a figure
  2. 4 Apr 2026, Shift 1 · Q38Two 44 bits binary numbers, A=1101A=1101 and B=1010B=1010 are given in the inputs of a logic circuit shown in figure below. The output (YY) will…EasyDiagram basedHas a figure
  3. 5 Apr 2026, Shift 1 · Q45For the given logic circuit, which of the following inputs combination will make both LED-1 and LED-2 to glow?EasyDiagram basedHas a figure
  4. 6 Apr 2026, Shift 2 · Q43Refer to the logic circuit given below. For two inputs (A=1A=1, B=1B=1) and (A=0A=0, B=1B=1), output (YY) will be __________.EasyDiagram basedHas a figure
  5. 2 Apr 2025, Shift 2 · Q39In the digital circuit shown in the figure, for the given inputs the P and Q values are :MediumDiagram basedHas a figure
  6. 3 Apr 2025, Shift 1 · Q45Choose the correct logic circuit for the given truth table having inputs A and B. Inputs A, B / Output Y: A=0,B=0: Y=0 A=0,B=1: Y=0…MediumDiagram basedHas a figure
  7. 3 Apr 2025, Shift 2 · Q45The truth table corresponding to the circuit given below is :EasyDiagram basedHas a figure
  8. 7 Apr 2025, Shift 2 · Q45Consider the following logic circuit. The output is Y=0Y=0 when :EasyDiagram basedHas a figure
  9. 8 Apr 2024, Shift 1 · Q47The output Y of following circuit for given inputs is :MediumDiagram basedHas a figure
  10. 9 Apr 2024, Shift 2 · Q48In the truth table of the above circuit the value of X and Y are :MediumSingle correctHas a figure
  11. 31 Jan 2024, Shift 1 · Q48Identify the logic operation performed by the given circuit.EasySingle correctHas a figure
  12. 31 Jan 2024, Shift 2 · Q48The output of the given circuit diagram is -MediumDiagram basedHas a figure
  13. 3 Aug 2021, Shift 2 · Q17Identify the resulting gate for the following circuit.MediumSingle correctHas a figure
  14. 25 Jul 2021, Shift 1 · Q12Identify the logic operation carried out.EasyDiagram basedHas a figure
  15. 16 Mar 2021, Shift 2 · Q20The following logic gate is equivalent to :MediumDiagram basedHas a figure
  16. 8 Jan 2020, Shift 1 · Q19Boolean relation at the output stage-Y for the following circuit is :MediumSingle correctHas a figure