MGMCL Assistant Manager (ICT) May 2022 – Written (BUET) question & solution

Questions from the MGMCL Assistant Manager (ICT) recruitment exam, May 2022 – Written (BUET), shared by the candidates who sat it. The paper: 9 written questions. So far 9 written questions have been shared. Topics include Computer Networks, Operating System, Web Technology and Coding.

Written (9)

  1. What is a TLB (Translation Lookaside Buffer) in an operating system? Explain how it speeds up address translation.
  2. What is the difference between http and https?
  3. Write down the Working principle of Optical Fibre.
  4. Explain context switching in Operating System.
  5. Write a C program: x - x³/3 + x⁵/5 - ..............
  6. Show the placement of the DMZ and firewall in a network diagram. (Approximate)
  7. Write down the Linux commands for: all hidden files, remove a file, permission of a file, search for a string.
  8. The power of signal is 10mW and the power of the noise is 1μW; What are the values of SNR and SNR_dB?
  9. We need to send 265 kbps over a noiseless channel with a bandwidth of 20kHz. How many signal levels do we need?