Digital Logic questions
188 job-exam questions on Digital Logic from 101 papers — BPSC, Combined Bank, BB and more — with answers and discussion.
Papers
- November 2026 – Written (BPSC) — BPSC · Assistant Engineer (EEE)
- July 2026 – Written — BPSC · Assistant Programmer (CSE)
- July 2026 – Written — Combined Bank · Senior Officer
- July 2026 – Written — Combined Bank · Officer (IT)
- June 2026 – Written — ICB · Assistant Programmer
- May 2026 – Written — Combined Bank · Assistant Maintenance Engineer (IT)
- May 2026 – Preliminary — Combined Bank · Senior Officer
- May 2026 – Written — DESCO · Sub-Assistant Engineer (CSE)
- January 2026 – Written (BIBM) — Combined Bank · Officer (IT)
- January 2026 – Written — Combined Bank · Assistant Programmer (CSE)
- January 2026 – Written — Combined Bank · Assistant Maintenance Engineer (IT)
- October 2025 – 49th BCS Written (Special) (BPSC) — BCS · Technical Cadre (ICT)
- October 2025 – 49th BCS Written (Special) (BPSC) — BCS · Technical Cadre (CSE)
- October 2025 – Written — Combined Bank · Senior Officer
- July 2025 – Written (BUET) — Dhaka WASA · Assistant Maintenance Engineer (Network)
- May 2025 – Written — Cadet College · Lecturer (ICT)
- May 2025 – Written — BPSC · Network/Website Manager (CSE)
- February 2025 – Written (DU) — BB · Assistant Director (ICT)
- 2025 – 47th BCS Preliminary (BPSC) — BCS · General Cadre
- October 2024 – Preliminary (BIBM) — Combined Bank · Officer (IT)
Questions
- (a) Simplify F(A,B,C) = \sum m(1,3,5,6,7) using Karnaugh map. (b) Design a 3-bit synchronous counter using JK flip-flops.
- Consider the following algebraic equation Y = AB̄CD̄ + ABC̿ + ĀBD + AB̿CD a) Draw a truth table that satisfies the above-mentioned…
- Answer the following question: (a) For two 8-bit binary numbers, what will be the output values in 2's complement format: (i)…
- Answer the following question: (a) Simplify F(A,B,C,D) = ACD+AB+D̄+AC̄D using K-map and draw the simplified circuit diagram. (b) Solve the…
- 10101111 ও 00110011 এর Bitwise OR এর ফলাফল কত?