This study intends to explore the perception of university-level students regarding the use of synchronous online classes for their educational purposes. It also tries to identify the possible reasons responsible for their thinking of using synchronous online classes. In this regard, knowing learners' perceptions is quite essential because even if the ultimate motive of using synchronised online classes is to help the students learn better, however, if the students are not getting the benefits, then it is of no use. Hence it is vital to know whether most students benefit from online classes or if it is creating more trouble for them. The result of the study will be beneficial for the teachers since they will be able to know the students' side of the story, which will help them to design and conduct the courses in a way that would be more advantageous for them. I will adopt a qualitative approach for this study, and the data will be collected through interviews and document analysis. Furthermore, with the help of thematic and document analysis, I will find out the perception of tertiary-level students and look for the causes behind their perception. Nevertheless, by investigating these issues, it is expected that this study will help the educators as well as the other stakeholders to refine the courses in a way which will be more beneficial for the learners and also can make a difference in their perception of using technology for their online classes by addressing their concerns.

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6. Sovon Chakraborty, Md. Obaidur Rahman F.M. Mehedi, "Sentiment Analysis on Twitter Tweets about COVID-19 vaccines Using NLP and Supervised KNN Classification Algorithm "  Indonesian Journal of Electronical Engineering and Computer Science. Vol. 23, No. 1, July 2021, pp. 463~470 ISSN: 2502-4752, DOI: 10.11591/ijeecs.v23.i1.pp463-470

7. Md. Obaidur Rahaman, Mohammod Abul Kashem, SC, F.M, S.M, F.K Internet of things based electrocardiogram monitoring system using machine learning algorithm, Article Published in International Journal of Advanced Computer Science and Applications(IJACSA) August, 2022.)

8. Muhammad Golam Kibria Md. Mamunur Rashid, Md. Obaidur Rahaman ,Al-Akhir Nayan, Sabrina Afrin, IoT based Smart Water Quality Prediction for Biofloc Aquaculture,IJACSA) International Journal of Advanced Computer Science and Applications, Vol. 12, No. 6, 2021.

9. Obaidur Rahman, Mohammod Abul Kashem, Al-Akhir Nayan, Most. Fahmida, Fazly Rabbi, Marzia Ahmed, Mohammad Asaduzzaman “Internet of Things (IoT) Based ECG System for Rural Health Care”Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 6, 2021.

10. Mohammod Obaidur Rahaman, Mohammod Abul Kashem and Mohammad Asaduzzaman Chowdhury. “ Analysis of Immunity System for Survival of COVID-19” Volume 2 - Issue 4, Mod Appl Pharm Pharmacol. 2(4). MAPP.000544.2021. DOI: 10.31031/MAPP.2021.02.000544. 

11. Al-Akhir Nayan; Muhammad Golam Kibria; Md. Obaidur Rahman; Joyeta Saha, “  River Water Quality Analysis and Prediction Using GBM” 2020 2nd International Conference on Advanced Information and Communication Technology (ICAICT), 2020, pp. 219-224, doi:10.1109/ICAICT51780.2020.9333492. ISBN:978-1-6654-2240-6. 

12. Marzia Ahmed, Mr. Obaidur Rahaman, Mostafijur Rahman and M. Abul Kashem “Analyzing the Quality of Water and Predicting the Suitability for Fish Farming in the Context of Bangladesh based on IoT” International Conference on Sustainable Technologies for Industry 4.0 (STI 2019) at Purbachal American City, Rupgonj, Bangladeh. [Scopus] 

13. Mohammod Obaidur Rahaman, Mohammod Abul Kashem “Cyber Physical System for Healthcare” International Journal of Advanced Research (IJAR), United Kingdom. November 2018. DOI URL: http://dx.doi.org/10.21474/IJAR01/7968,ISSN: 2320-5407 Int. J. Adv. Res. 6(10), 36-46.

14. Md. Obaidur Rahaman “Data and Information Security: A Modern Cryptographic Algorithm” International Journal of Advanced Research (IJAR), United Kingdom. October 2017. DOI URL: http://dx.doi.org/10.21474/IJAR01/5666, ISSN: 2320-5407 Int. J. Adv. Res. 5(10), 1508-1515

15. Md. Obaidur Rahaman, “Data and Information Security by using Elliptic Curve Cryptography” International Journal of Lambert Academic Publishing, July 2017.  ISBN(978-3-659-47487-3),P-ID(159172),Germany. https://www.morebooks.de/store/gb/book/1/isbn/978-3-659-47487-3,

16. “Data and Information Security in Modern World by using Elliptic Curve Cryptography” International Journal of Science and Academic Publishing, June 2017. p-ISSN: 2163-1484, e-ISSN: 2163-1492 2017; Vol 7 issue 2: page 29-44, USA.

17. Md. Obaidur Rahaman “Data and Information Security in Modern World” International Journal of Science and Academic Publishing, April 2017. p-ISSN: 2163-1484, e-ISSN: 2163-1492 2017; Vol 7 issue 1: page 12-21, USA.

18. Md. Obaidur Rahaman “Information Security: A Modern Cryptosystem of Symmetric and Asymmetric Key for Cyber Physical System” Journal of Applied Computer Science and Technology, Computer Engineering Division, IEB. http://www.iebbd.org/jcse/, Journal 2, Page no. 50-56.

19. Md. Obaidur Rahaman “Information security: A Modern cryptosystem of a public and a secret key“Multidisciplinary Journal of European University of Bangladesh. ISSN 2413-2632, Volume: 3, No: 3, January – June, 2018

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