Logic Gate questions
3 job-exam questions on Logic Gate from 3 papers — BCC, BPSC, BUET and more — with answers and discussion.
Papers
- October 2026 – Written (BUET) — BUET · MSC (CSE)
- October 2025 – Written (BCC) — BCC · Assistant Programmer (CSE)
- May 2025 – Written (BPSC) — BPSC · Assistant Director (ICT)
Questions
- (a) Consider the following logic circuit with inputs A, B, C and D. (i) Derive the Boolean expressions algebraically for T1 through T4…
- A 3-bit input (ABC) is given to a combinational logic circuit. The output (D) should be 1 when the number of 1s in the input combination…
- Why NAND is a universal gate?