TAILIEUCHUNG - Lecture Computer literacy - Lecture 09: Networks & Security Issues

After studying this chapter you will be able to understand: What is the purpose of search engines? List few URLs of websites you know. Which Boolean operators are used in the web search? What is the purpose of NEAR operator? What is the purpose of advanced search? What are sponsored listings? | Networks & Security Issues ADE100- Computer Literacy Lecture 09 Knowledge test What is the purpose of search engines? List few URLs of websites you know. Which Boolean operators are used in the web search? What is the purpose of NEAR operator? What is the purpose of advanced search? What are sponsored listings? Topics covered Introduction to LAN, WAN and Wireless networks Sharing on networks and network-related security issues Firewalls Security Protection against virus and spam emails What is hacking and protecting against it Computer Network Computer Networks Set of technologies that connects computers to share information Allows communication and collaboration between users Network computers are also called clients, nodes, workstations or servers. Share files, resources (printers, disk, modems) and programs Example: Internet Local Area Network- LAN Local Area Network (LAN) Contains printers, servers and computers Systems are close to each other Contained in one office or building .

• Tin học văn phòng
• Computer Literacy
• Lecture Computer literacy
• Computer science
• Introduction to computers
• Computer applications
• Security Issues
• Computer Networks
• Computer Ethics
• Transferring images
• Central Processing Unit
• Operating system software
• Operating system
• Folder properties
• Storage devices
• Working with tables
• Advanced features
• Using Productivity Application
• Formatting cells
• Doing mathematics
• Print properties
• Microsoft PowerPoint
• Assignment presentation
• Saving Web Resources
• Communication through internet