Electronics Articles 
Camera basics: shutter-speed, aperture and ISO
In this article, I’ll introduce you to the basic elements that you can use to control exposure in your shooting. If you have a digital SLR, there will be a way to set all of these controls on your camera, but since they differ between manufacturers and models, you’ll need to refer to your camera’s manual to find out exactly how to change them.
All cameras, whether an ancient film camera, or a more modern digital, work in pretty much the same way. Photographs are taken by letting light fall onto a light-sensitive medium, which records the image. Traditionally, this has been film, but more recently, it tends to be a digital sensor. The more light that falls onto the film or sensor, the lighter the image.
Put simply, a camera consists of a light-tight box that stores a light-sensitive device (either a film or a digital sensor), a lens that magnifies and focuses the image onto that light-sensitive device through a hole in the box (called the aperture) , and a shutter that opens ...
The New User's Guide for iPod
Got a new iPod? This handy guide will help you do the following things:
Install iTunes
Connect and set up your iPod
Fill your iPod and iTunes with Music
Disconnect your iPod
Play your iPod
Learn more
Troubleshoot iTunes and iPod
Also see: Related information
1. Install iTunes
Before you connect your iPod to your Mac or PC computer or use it, you must install the latest iTunes software.
Installing iTunes software
The New User's Guide for iTunes
2. Connect and Set Up your iPod
Charge your battery by connecting it to an Apple iPod Power Adapter or connect your iPod to a high-power USB port —one that's located directly on your computer—to ensure that your computer charges your iPod battery. (If your computer doesn't seem to recognize your connected iPod, wait about 30 minutes to allow the iPod battery to charge before going further.)
Charging your iPod battery through a computer or optional power adapter
3. Fill your iPod and iTunes with Music
Onc ...