1. Technology Hardware Internet & WWW

2. Outline  Hardware  System Unit  CPU  Memory  Ports  Internet  Internet services  WWW  Types of Sites  E-Commerce  Search Operators  Internet Security 2

3. 3 Hardware

4. The System Unit 4

5. Motherboard 5 the main circuit board of the system unit

6. CPU  Central Processing Unit  “the Processor”  The brain of the computer  Characteristics o Manufacturer: Intel, AMD, etc. o Type o Speed o Other # Cores # Threads 6

7. Intel Laptop CPUs 7 http://www.intel.com/content/www/us/en/processor- comparison/compare-intel-processors.html

8. Memory  The system unit contains several types of memory:  RAM o memory module o memory slots o Contents: 8 Operating System & other system software Application programs Files being processed & the resulting information

9. Memory: a logical view 9 Processor Input Devices Storage Devices Output Devices Memory

10.  Cache  ROM o Boot up instructions 10

11. Ports and Connectors  Know the Ports that you will need:  Types  Quantity  Location 11 USB, Firewire, Bluetooth, MIDI, eSATA, etc

12. 12 Internet vs. WWW

13. Internet  Internet  an international ____________ of _______________  Packet switching network  Internet Backbone 13

14. Internet Services  World Wide Web (www)  E-mail, mailing lists  Instant messaging, chat rooms  File Transfer Protocol (FTP)  Newsgroups, message boards 14

15. Web Address  Domain Name  the text version of an IP address o Top-level domain o.com,.gov, …  URL  Uniform Resource Locator o Web address o a unique address for a webpage 15

16. IP Address  IP address  is a number that uniquely identifies each computer/device  Domain Name System 16

17. Web Browser Files Windows: Internet ExploreriPhone: Safari  Tools | Options | Delete Browsing History  Settings | Safari | Clear Cookies & Data 17  Cookies  Temporary Internet Files  Cache  History Firefox  History| Clear Recent History

18. Types of Web Sites  Portal  News  Informational  Business/Marketing  Blog  Wiki  Online Social Network  Educational  Entertainment  Advocacy  Web Application  Content Aggregator  Personal 18

19. Advanced Search Operators  Improving your Search w/Advanced Search Operators 19 TaskSearch Operators Individual keywords Combined keywords Synonyms Exclude words (Definitely) include words Filter by Site Site Name: Site Type: Filter by File Type

20. Internet Security  SSL: Secure Sockets Layer  Encryption  Public key & Private Key  Digital Certificate 20