1. Data Encryption - Purpose, use of encryption, and types.
2. Mobile Phone Devices - Input and output devices for voice calls, diagram labeling.
3. Utility Software - Functions like compression, backup, and anti-malware software.
4. Compression of Files - Kasuni compressing files for easier uploading and storage optimization.
5. Website Design and File Size - Impact of reducing file sizes on user experience.
6. Transaction Tracking - Impact of online tracking on user information and privacy.