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Computer SystemsPart 1: Computer Assembly, OS & Network Setup
Step OneAssemble A Computer
As a team, work to assemble the components in front of you into a
working computer.
These components are key…
Case
The case holds all components together, channels air for cooling and keeps out dirt.
Power Supply
The power supply takes 210-110v input and steps it down for each component.
Central Processing Unit
The CPU executes all instructions and handles all data: it is the computer.
Motherboard
The motherboard connects the CPU to other components.
RAM
RAM provides fast, expensive and volatile storage for software and data in current use.
Hard Disk Drive
The HDD provides slow, cheap and persistent storage for all software and data.
Step TwoInstall An Operating System
The operating system coordinates the operation of all
components, and makes resources available to users in a
fair and secure manner.
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.
What is the difference between operating system software and
application software?
Step ThreeJoin A Network
Connect To A Router
Use an RJ45 cable to connect your computer to a router.
Talk To Another Computer
1. Open A TerminalApplications > Accessories > Terminal
2. Find Your IP AddressType the following then press enter:
ifconfig -a
3. Ping GoogleType the following then press enter:
ping google.com
4. Ping A ClassmateType the following then press enter:
ping [classmateIP]
What Have You Learned?Use the annotated four layer model below to
consider what you have learned so far
CPUMotherboard
RAMHDD
Power SupplyCase
InternetLocal NetworkDomain name
IP AddressPing
FirmwareOperating System
Applications
LicensingAll 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/.
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.
CreditsCircuit Board PhotoBy R. Butler on Flickr
Available under Creative Commons, BY-SA
Computer Case PhotoBy Normal Rogers on Wikipedia
In public domain
CPU PhotoBy Advanced Micro Devices on Wikipedia
Usage permitted by author
Motherboard PhotoBy Fir0002 on Wikipedia
GNU Free Documentation License
Credits IIRAM Photo
By Clemens Pfeiffer on WikipediaAvailable under Creative Commons, BY
Hard Disk Drive PhotoBy Asim18 on Wikipedia
Available under Creative Commons, BY
Ubuntu LogoBy Nicosmos on Wikipedia
Used under educational fair use
RJ45 Cable PhotoBy David Monniaux on Wikipedia
Available under Creative Commons, BY-SA
Credits IIIRouter Photo
By Asim18 on WikipediaAvailable under Creative Commons, BY-SA
Power Supply PhotoBy mboverload on Wikipedia
Available withinPublic Domain