BLRI Assistant Maintenance Engineer May 2023 – Written question & solution

Questions from the BLRI Assistant Maintenance Engineer recruitment exam, May 2023 – Written, shared by the candidates who sat it. The paper: 8 written questions. So far 8 written questions have been shared. Topics include Computer Networks, DBMS, Computer Architecture, Digital Logic and Algorithm.

Written (8)

  1. A telephone line normally has a bandwidth of 3000 Hz (300 to 3300 Hz) assigned for data communication. The SNR is usually 3162. What will…
  2. What is Diode and Inductor?
  3. What is First and Second Normal Form in DBMS?
  4. Difference between combinational and sequential circuits.
  5. What is Big O and Big Omega?
  6. Difference between Stack and Queue.
  7. What is baseband and passband frequency?
  8. What is primary key and foreign key with example?