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Welcome to Code with Rahnuma!
Hi! I'm Rahnuma, a Software Engineering student at Daffodil International University, Bangladesh 🇧🇩. I am dedicated to making your software engineering journey easier and simpler by creating comprehensive playlists of courses from various disciplines like CSE, SWE, CIS, and ITM.
My mission is to share my knowledge with you, making sure your concepts are clear and you understand all the topics thoroughly.
Currently, you'll find comprehensive playlists meticulously covering core subjects designed for CSE, SWE, and CIS students, including:
•	Operating Systems & System Programming
•	Object-Oriented Concepts with Java
Subscribe now so you can get updates on new, informative videos and empower your learning!

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Videos

11:24

Lec: 12.2 DSS algorithm | Digital Signature | Information System Security | Bangla Tutorial

65 views

3d ago

20:20

Lec: 12.1 RSA algorithm | Digital Signature | Information System Security | Bangla Tutorial

55 views

3d ago

22:42

Lec: 10.3 Key generation/ expansion in AES algorithm | Information System Security | Bangla Tutorial

104 views

11d ago

6:48

Lec: 10.2 Shift row for AES algorithm | Information System Security | Bangla Tutorial

61 views

12d ago

15:57

Lec: 10.1 AES Encryption Decryption Diagram | Information System Security | Bangla Tutorial

98 views

12d ago

7:54

Lec: 9.6 DES Permutation Deduction/ Compression | Information System Security | Bangla Tutorial

114 views

13d ago

9:59

Lec: 9.5 DES Permutation/ Expansion | Information System Security | Bangla Tutorial

58 views

2w ago

13:42

Lec: 5.9 Round Robin| Process Scheduling Algorithm in Operating System | Bangla Tutorial

69 views

2w ago

25:48

Lec: 7.3 Control Flow Graph Part 2 | Software Quality Assurance Testing | Bangla Tutorial

77 views

3w ago

8:26

Lec: 7.2 Control Flow Graph Part 1 | Software Quality Assurance Testing | Bangla Tutorial

81 views

1mo ago

10:22

Lec: 7.1 White Box Testing Technique | Software Quality Assurance Testing | Bangla Tutorial

121 views

1mo ago

5:29

Lec: 6.3 Bug Life Cycle | Work Flow of Defect | Software Quality Assurance Testing | Bangla Tutorial

90 views

2mo ago

8:59

Lec: 6.2 Bug Life Cycle | Work Flow of Defect | Software Quality Assurance Testing | Bangla Tutorial

77 views

2mo ago

10:40

Lec: 6.1 Bug Life Cycle | Work Flow of Defect | Software Quality Assurance Testing | Bangla Tutorial

146 views

2mo ago

7:59

Lec: 5.8 Priority Preemptive | Process Scheduling Algorithm in Operating System | Bangla Tutorial

36 views

2mo ago

7:39

Lecture 4 Switch Base Configuration Cisco Packet Tracer Data Communication & Computer Networking Lab

16 views

2mo ago

5:18

Lec: 8 Reminder Calculation Positive Negative Number | Information System Security | Bangla Tutorial

22 views

2mo ago

24:20

Lec: 7 Practice Questions Solve | Spring 2026 | Information System Security | Bangla Tutorial

46 views

2mo ago

12:04

Lec: 6.2 Hill Cipher Algorithm | Decryption | Information System Security | Bangla Tutorial

207 views

2mo ago

7:38

Lec: 6.1 Hill Cipher Algorithm | Encryption | Information System Security | Bangla Tutorial

172 views

2mo ago

8:54

Lec: 5.7 Priority (non-preemptive) | Process Scheduling Algorithm in Os | Bangla Tutorial

70 views

3mo ago

14:50

Lec: 5.2 Play Fair Algorithm | Decryption | Information System Security | Bangla Tutorial

144 views

4mo ago

18:33

Lec: 5.1 Play Fair Algorithm |Encryption | Information System Security | Bangla Tutorial

225 views

4mo ago

8:38

Lec: 4.2 Transposition Algorithm | Decryption | Information System Security | Bangla Tutorial

80 views

4mo ago

9:45

Lec: 4.1 Transposition Algorithm |Encryption | Information System Security | Bangla Tutorial

98 views

4mo ago

6:23

Lec: 3.3 One Time Pad (OTP) Algorithm |Decryption | Information System Security | Bangla Tutorial

168 views

4mo ago

7:10

Lec: 3.2 One Time Pad (OTP) Algorithm |Encryption | Information System Security | Bangla Tutorial

166 views

4mo ago

10:20

Lec: 3.1 One Time Pad (OTP) Algorithm | Encryption | Information System Security | Bangla Tutorial

371 views

4mo ago

7:18

Lec: 2.4 Caesar Cipher Algorithm | Decryption | Information System Security | Bangla Tutorial

220 views

4mo ago

4:07

Lec: 2.3 Caesar Cipher Algorithm | Decryption | Information System Security | Bangla Tutorial

159 views

4mo ago