Lecture notes on Cyber security and DBMS.pptx
- 1. Introduction to the Lecture • Welcome! – Today's Topics: – 1. Cyber Security – 2. Database Management System (DBMS) – 3. Networking Fundamentals – 4. MS Office • Objective – Understand key concepts in technology. – Learn practical tips for using technology tools. – Explore potential career paths in tech fields.
- 2. Cyber Security • What is Cyber Security? – Definition: Protecting systems, networks, and programs from digital attacks. – Importance: Safeguards data, privacy, and ensures system integrity. • Types of Cyber Attacks – Malware: Malicious software like viruses, worms, spyware. – Phishing: Fake emails/websites to steal personal info. – Ransomware: Locks out users, demands ransom to restore access. – DoS Attacks: Overloads networks, making them unavailable. • Protecting Yourself Online – Use Strong Passwords: Mix of letters, numbers, symbols. – Enable Two-Factor Authentication (2FA). – Be Wary of Suspicious Emails and Links. – Update Your Software Regularly. •
- 3. Database Management System (DBMS) • What is a DBMS? – Definition: Software to create, manage, and interact with databases. – Examples: MySQL, Oracle, Microsoft SQL Server. • Importance of Databases – Organized Data Storage: Structured format, easy retrieval. – Data Integrity: Ensures accuracy and consistency. – Data Security: Limits access to authorized users. • Core Components of a DBMS – Tables: Structures that store data in rows and columns. – Fields: Columns representing attributes. – Records: Rows representing data entries. – Primary Key: Unique identifier for records. • Types of Databases
- 4. Networking Fundamentals • What is Networking? – Definition: Connecting devices to share resources. – Types: LAN, WAN, PAN, MAN. • Networking Devices – Router: Directs data traffic. – Switch: Connects devices within a network. – Modem: Converts data for transmission. – Access Point: Connects wireless devices to a network. • Basic Networking Concepts – IP Address: Unique identifier for devices. – MAC Address: Physical network identifier. – DNS: Translates domain names into IP addresses. • How the Internet Works
- 5. MS Office • Overview of MS Office – What is MS Office?: A suite of productivity software. – Why Learn MS Office?: Essential for school, work, and more. • Key Applications in MS Office – Microsoft Word: For creating text documents. – Microsoft Excel: For data organization and analysis. – Microsoft PowerPoint: For creating presentations. • Practical Tips for Using MS Office – Word: Use Styles for consistent formatting. – Excel: Learn Basic Formulas for efficiency. – PowerPoint: Keep slides simple and practice your presentation. • Advantages of Proficiency in MS Office – Efficiency: Saves time on tasks.
- 6. Conclusion • Recap of Key Points – Cyber Security: Protecting digital lives. – DBMS: Managing and retrieving data. – Networking Fundamentals: Connecting devices securely. – MS Office: Mastering essential productivity tools. • Encouragement – Keep exploring and asking questions. – Stay updated with technology trends. – Consider careers in these exciting fields. • Thank You – Thank you for your attention! – Questions and Discussions