Combined Bank Assistant Programmer (CSE) October 2026 – Written (BIBM) question & solution

Questions from the Combined Bank Assistant Programmer (CSE) recruitment exam, October 2026 – Written (BIBM), shared by the candidates who sat it. The paper: 21 written questions, 2 hours, 200 marks. So far 21 written questions have been shared, and 21 written questions have worked answers. Topics include Mathematics, DBMS, Artificial Intelligence, LLM and English.

Written (21)

  1. Explain the OSI reference model and the functions of its seven layers.
  2. What is deadlock in an operating system? Explain its necessary conditions and methods of handling deadlocks.
  3. Explain the ACID properties of database transactions.
  4. What is Natural Language Processing (NLP)? Discuss its major techniques and applications.
  5. What is Generative AI? Explain how Large Language Models (LLMs) work and discuss their applications and challenges.
  6. What are a compiler, an interpreter, and an assembler? Explain their functions and differences.
  7. What is the difference between HTTP and HTTPS? Explain the HTTP request-response cycle and common HTTP methods.
  8. A login page constructs SQL queries by directly concatenating user-supplied usernames and passwords into SQL statements. Identify and…
  9. A ride-sharing application supports cars, motorbikes, and CNG auto-rickshaws, each with a different fare calculation method. Design the…
  10. What is an agentic AI system, and how does it interact with external tools and data sources? Explain the roles of Model Context Protocol…
  11. Differentiate between full, incremental, and differential backups, and recommend a backup strategy for a bank that needs to minimize data…
  12. What is Retrieval-Augmented Generation (RAG)? Briefly explain the main steps involved in designing a RAG pipeline. Explain the role of a…
  13. A web application has 120,000 users, of whom 20% are active during peak hours. Each active user generates 5 requests per minute. Each…
  14. Given the following sequence of integers, construct a Binary Search Tree (BST) by inserting the elements in the order given: 50, 30, 70…
  15. A processor has a cache hit ratio of 90%, a cache access time of 5 ns, and a main-memory access time of 80 ns. Calculate the average…
  16. Pipe A can fill a tank in 10 hours and pipe B in 15 hours. Pipe C can empty the full tank in 12 hours. If all three are opened together…
  17. The product of two consecutive positive odd numbers is 143. Find the numbers.
  18. In a class, if 4 students sit on each bench, then 3 benches remain empty. But if 3 students sit on each bench, then 6 students have to…
  19. The amount of money held by A, B, and C satisfy A:B = 3:4 and B:C = 5:6. If A gives Tk 5,000 to B, the ratio of their amount becomes 1:2…
  20. Write only the correct answers: Choose the correct option: By the time we arrived, the film ____. (started / had started / has started)…
  21. Write an essay on: Job prospects in the age of Artificial Intelligence