BUET MSC (CSE) October 2026 – Written question & solution

Questions from the BUET MSC (CSE) recruitment exam, October 2026 – Written, shared by the candidates who sat it. So far 14 written questions have been shared, and 14 written questions have worked answers. Topics include Microprocessor, Algorithm, Machine Learning, Artificial Intelligence and Linux.

Written (14)

  1. What causes high training accuracy but low testing accuracy in a machine learning model, and what are its reasons and mitigation techniques?
  2. What is Agentive AI? Compare Agentive AI with traditional Chatbot AI.
  3. Write shell commands to perform the following tasks: Search for a specific word or pattern in a text file. Change the ownership of a file…
  4. Given the following examples: arr[] = {-3, -2, -1, 0, 1, 2} → Ascending order arr[] = {2, 1, 0, -1, -2, -3} → Descending order arr[] = {2…
  5. What is compile-time polymorphism in Object-Oriented Programming (OOP)? Explain how it is achieved and illustrate the concept with a…
  6. What is a 32-bit microprocessor? Explain its key characteristics.
  7. Differentiate between a microprocessor and a microcontroller.
  8. \Pi_{s.name,\ s.id}\left(\sigma_{d.name='ECE'}\left(\text{Student } s \bowtie_{s.dept\_id = d.dept\_id} \text{Department } d\right)\right)…
  9. Given the entities: Course (c_id, c_name, total_credit) Program (prog_no, prog_name) Assuming a relationship where a Course can be part of…
  10. In a survey of 500 people, 180 are smokers, 90 have lung cancer, and 54 are both smokers and diagnosed with lung cancer. Determine the…
  11. What is a parameterized algorithm, and how does it improve code reusability and efficiency?
  12. Which algorithm is used to find the shortest path from a single source vertex to all other vertices in a weighted graph? Which algorithm…
  13. 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…
  14. Networking Related Math. Based on the network figure, for each of the three networks — the LAN on Switch 1 (192.168.10.0/24), the LAN on…