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04-BS-8: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Combination-Lock Sequence Detector
  2. Question 2 Traffic Light Controller
  3. Question 3 Synchronous Even-Number Counter
  4. Question 4 Boolean Simplification and K-map Minimization
  5. Question 5 JK Flip-Flop Synthesis and 2's-Complement Circuit

Start with Question 1 →

04-BS-8 Digital Logic Circuits — May 2019
National Exams, closed book (approved calculator only; one hand-written 8.5"×11" aid sheet permitted). Format: five questions offered, each worth 25 marks; all five are solved below for completeness.

Reference texts: Mano & Ciletti, Digital Design (6th ed., Pearson) — Boolean minimization, K-maps, PAL/PLA architectures, flip-flop conversion, sequential-circuit design, code conversion; Floyd, Digital Fundamentals (11th ed., Pearson) — logic gates, shift registers, flip-flop characteristic tables, parity generation.