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Presented at the NLC Tech Rodeo on the campus of Doane College in Crete, NE 26-28 June 2012. http://nlcblogs.nebraska.gov/techrodeo
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TECH BLAST:COMPUTER HARDWAREMichael SauersTech RodeoDoane College26-28 July 2012
Form factors Desktop Laptop Netbook NetTop Tablet
Motherboard
Power Supply
CPU Intel/AMD Different form factors Speed measured in gigahertz (GHz) Can have multiple “cores”
Dual-core, Quad-core
Cooling System Directs heat away
from the CPU Heat Sink / Fan / Liquid Cooling
http://www.flickr.com/photos/13841229@N00/171474579/
Memory (RAM) Gigabytes Different types
SRAM/DRAM DDR, DDR2, DDR3
Different form factors Laptop vs. desktop
Check with your computer’s manual for the right type!
Getty Images
Storage Hard Drive
Internal vs. External Solid-state Drive Optical Media
CD-ROM DVD-ROM Blu-ray
Graphics Card May be built into the
motherboard Can add more
powerful dedicated card which has it’s own dedicated video RAM
Video Connectors VGA S-Video DVI HDMI (images not to scale)
Connectors Firewire Ethernet WiFi USB
USB Connection Types
Operating System Windows MacOS Linux
Ubuntu RedHat Fedora
32-bit/64-bit
So, you want to buy a new computer? Does your old one do what you need it
to do? What is your budget? Do you have special requirements? No, there isn’t a “best” time to buy.
THANKS!Michael SauersTechnology Innovation LibrarianNebraska Library Commissionmichael.sauers@nebraska.gov
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