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Course Information

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Video Lectures
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Course

Subject:	Computer Science
Topic:	Internet
Views:	44,520

Educator

Harvard University

Name:	Harvard University (Harvard)
Type:	University

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Instructor

Name

Understanding Computers and the Internet

Video Lectures

Displaying all 14 video lectures.

Lecture 1 Play Video	Hardware Topics covered: - Overview - Computation - Bits and bytes - ASCII - Processors - Motherboards: Buses, Connectors, Ports, Slots, and Sockets. - Memory: ROM, RAM, and Cache.
Lecture 2 Play Video	Hardware (Cont.) Topics covered: - Secondary Storage: Floppy Disks, Hard Disks (PATA and SATA), CDs, and DVDs. - Virtual Memory - Expansion buses and cards: AGP, ISA, PCI, PCI Express, and SCSI. - I/O Devices - Peripherals - How to Shop for a Computer - History
Lecture 3 Play Video	The Internet Topics covered: - Networks: Clients and Servers, Peer-to-peer, LANs and WLANs, the Internet, and Domains. - Email: Addresses, IMAP, POP and SMTP, Netiquette, Spam, Emoticons, Snail Mail, and Listservs. - SSH - The World Wide Web: URLs and HTTP. - Blogs - Instant Messaging - SFTP - Usenet
Lecture 4 Play Video	The Internet (Cont.) Topics covered: - Network Topologies - The Internet: Backbones, TCP/IP, DHCP, and DNS. NAT. - Ethernet: NICs, Cabling, Switches, Routers, and Access Points. - Wireless: IR, RF, Bluetooth, and WiFi. ISPs. - Modems: Dialup, Cable, and DSL.
Lecture 5 Play Video	Jeopardy! Students versus teaching fellows in a game of Jeopardy!
Lecture 6 Play Video	Exam 1 Review Session Review of Hardware, Software, and the Internet.
Lecture 7 Play Video	Multimedia Topics covered: - Graphics: File Formats, Bitmaps and Vectors, and Compression. - Audio: File Formats and Compression. - Video (and audio): File Formats and Compression. - Streaming
Lecture 8 Play Video	Security Topics covered: - Threats to Privacy: Cookies, Forms, Logs, and Data Recovery. - Security Risks: Packet Sniffing, Passwords, Phishing, Hacking, Viruses and Worms, Spyware, and Zombies. - Piracy: WaReZ and Cracking.
Lecture 9 Play Video	Security (cont.) Topics covered: - Defenses: Scrubbing, Firewalls, Proxy Servers, VPNs, Cryptography, Virus Scanners, Product Registration and Activation.
Lecture 10 Play Video	Website Development Topics covered: - Webservers: Structure, Permissions, and Implementations. - Static Webpages: XHTML, Well-formedness, and Validity. - Dynamic Webpages: SSIs, DHTML, AJAX, CGI, ASPs, and JSPs.
Lecture 11 Play Video	Programming Topics covered: - Pseudocode - Constructs: Instructions, Variables, Conditions, Branches, and Loops. - Languages: Interpreted and Compiled. - Scratch
Lecture 12 Play Video	Pictionary! Students versus teaching fellows in a game of Pictionary!
Lecture 13 Play Video	Exciting Conclusions Topics of discussion: - Where were you? - Where are you? - Where can you go?
Lecture 14 Play Video	Exam 2 Review Session Topics covered: - Review Multimedia, Security, Website Development, and Programming.