The GATE Grind

GATE Electronics: basics of digital logic circuits, combinational and sequential circuits, flip- flops, timers, counters, registers, A/D and D/A conversion. – Previous Year Questions

7 GATE previous year questions on basics of digital logic circuits, combinational and sequential circuits, flip- flops, timers, counters, registers, A/D and D/A conversion. (Electronics, Physics) with answers and explanations, from every paper.

  1. GATE 2022 PH Q59 (2 marks, Numerical answer) – What is the minimum number of two-input NAND gates for Y=[A B(C+BD)+ A B]C?
  2. GATE 2023 PH Q24 (1 mark, Multiple choice) – Which one of the following options is CORRECT for the given logic circuit?
  3. GATE 2026 PH Q44 (2 marks, Multiple choice) – Considering the circuit and the associated signals measured at different pins (numbered as 1, 2, 3, 4, 5) shown in the figure, the correct option is
  4. GATE 2025 PH Q19 (1 mark, Multiple choice) – A logic gate circuit is shown in the figure below. The correct combination for the input (P, Q) for which the output T= 1 is
  5. GATE 2025 PH Q41 (2 marks, Multiple choice) – An α particle is scattered from an Au target at rest as shown in the figure. D1 and D2 are the detectors to detect the scattered α particle at an…
  6. GATE 2024 PH Q24 (1 mark, Multiple choice) – Consider the following circuit: Suppose the input signal P is and the input signal Q is Which one of the following output signals is correct?
  7. GATE 2024 PH Q32 (1 mark, Numerical answer) – The minimum number of basic logic gates to realize B(A+B)+A( B+A) is (in integer).