1. Computer SystemsComputer Systems Part 1: Computer Assembly, OS & Network SetupPart 1: Computer Assembly, OS & Network Setup

2. Step One Assemble A Computer

3. As a team, work to assemble the components in front of you into a working computer. These components are key…

4. Case The case holds all components together, channels air for cooling and keeps out dirt.

5. Power Supply The power supply takes 210-110v input and steps it down for each component.

6. Central Processing Unit The CPU executes all instructions and handles all data: it is the computer.

7. Motherboard The motherboard connects the CPU to other components.

8. RAM RAM provides fast, expensive and volatile storage for software and data in current use.

9. Hard Disk Drive The HDD provides slow, cheap and persistent storage for all software and data.

10. Step Two Install An Operating System

11. The operating system coordinates the operation of all components, and makes resources available to users in a fair and secure manner.

12. Install it! Ubuntu is a free, open source operating system. It is a complete alternative to Microsoft Windows and Apple Mac OS. Use the CD or thumbdrive provided to install Ubuntu onto your computer, and then boot into it.

13. What is the difference between operating system software and application software?

14. Step Three Join A Network

15. Connect To A Router Use an RJ45 cable to connect your computer to a router.

16. Talk To Another Computer 1. Open A Terminal Applications > Accessories > Terminal 2. Find Your IP Address Type the following then press enter: ifconfig -a 3. Ping Google Type the following then press enter: ping google.com 4. Ping A Classmate Type the following then press enter: ping [classmateIP]

17. What Have You Learned? Use the annotated four layer model below to consider what you have learned so far People Network Software Hardware CPU Motherboard RAM HDD Power Supply Case CPU Motherboard RAM HDD Power Supply Case Internet Local Network Domain name IP Address Ping Internet Local Network Domain name IP Address Ping Firmware Operating System Applications Firmware Operating System Applications

18. Licensing All original work used here is licensed under the Creative Commons Attribution- Noncommercial-Share Alike 3.0 Hong Kong License. For more details please look http://creativecommons.org/licenses/by-nc-sa/3.0/hk/. http://creativecommons.org/licenses/by-nc-sa/3.0/hk/ This license has been chosen to permit a high degree of sharing, whilst protecting the author’s control as to how the content is used. Please respect this license and use accordingly! Recycled and borrowed works from other sources are used under appropriate licenses, which are not affected by this license. The original source is always given. All original work created by Ross Parker (International College Hong Kong), except where specified.

19. Credits Circuit Board Photo By R. Butler on FlickrR. Butler on Flickr Available under Creative Commons, BY-SA Computer Case Photo By Normal Rogers on WikipediaNormal Rogers on Wikipedia In public domain CPU Photo By Advanced Micro Devices on WikipediaAdvanced Micro Devices on Wikipedia Usage permitted by author Motherboard Photo By Fir0002 on WikipediaFir0002 on Wikipedia GNU Free Documentation License

20. Credits II RAM Photo By Clemens Pfeiffer on WikipediaClemens Pfeiffer on Wikipedia Available under Creative Commons, BY Hard Disk Drive Photo By Asim18 on WikipediaAsim18 on Wikipedia Available under Creative Commons, BY Ubuntu Logo By Nicosmos on WikipediaNicosmos on Wikipedia Used under educational fair use RJ45 Cable Photo By David Monniaux on WikipediaDavid Monniaux on Wikipedia Available under Creative Commons, BY-SA

21. Credits III Router Photo By Asim18 on WikipediaAsim18 on Wikipedia Available under Creative Commons, BY-SA Power Supply Photo By mboverload on Wikipediamboverload on Wikipedia Available withinPublic Domain