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The PC
• The PC is a standard computing platform, built around a EISA bus (1988)– IBM compatible– “Intel Architecture” from Intel or AMD or other
companies
• This architecture is immensely popular and runs many operating systems– Windows– Linux– MacOS– Many others
Can be configured as desktop, laptop, server, graphics station, gaming station, high-end machines, “blades”,
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• Components– Power Supply– Motherboard– CPU, Memory– IDE drives, hard and CD/DVD– PCI expansions slots, AGP expansion slots– “onboard peripheral controllers”
- Ethernet- Memory cards- Audio- Ports
PC main Components
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Power Supply
From “older” 2003 PC
Power cables to many different parts of the PC
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Motherboard
CPU heatsink and fan
Memory slots
IDE disk drive connectors
PCI slots
AGP slot
Backup battery
Peripheral connectors
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Video Card
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Storage components
Floppy drive DVD driveHard drive (bottom view)
connectors
Drive ribbon cables Main memory (RAM or DRAM card)
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Assembled Computer
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The hardware
• The hardware components form a standard computer– Today all systems run on this standard computer– Then the operating system is loaded on the computer– The OS gives the computer a personality (look and
feel, commands, functions)– The applications run “on the OS” and have to be
tailored for the particular OS
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Installing Ubuntu
• Ubuntu is a Linux “distro” or variant that is popular
• We will step through a simple install using a “Live CD”
• Live CD, is a bootable CD that:– Can be run stand alone, without install– Allows installing– Allows many configuring options– Includes a MS-Office clone (Open Office) and many
applications
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Boot it and you see:
We pick this
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Then we get this screen
We can use Ubuntu and its applications now, but it is not installed
To install, click here
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Language selection
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Time zone
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keyboard
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First user account
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Select disk drive
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Create partition in disk
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Ready to install
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Install and Done
Click here
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documentation
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There is much more
• Configuring applications and system parameters• Device drivers• Administering, installing and managing the
system
• The software is complex, large and is really what makes the computer work