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Tips & Tricks:
It is a good idea to defragment your computer at least once a week.

Highlight and use CTRL + mouse click down to copy rather than move an object.

You can use ALT + F4 to quickly close windows on the desktop, even if they're minimized.


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Core Memory
Cores are rings of ferrite suspended in a grid of wires (visible in the right third of this frame). A charge to a point on the grid magnetizes the ring in a clockwise or counter-clockwise direction, which corresponds to a one or a zero: one bit. Because it holds its state, core memory is able to retain information even when the electricity is turned off, thereby paving the way to modern computing.

You can see the photo gallery of vintage computers at Time Magazine's site or visit the original author Mark Richards' site.  Mark Richards' book "Core Memory" is a collection of photographs spanning the history of computer development.  You can also visit the Computer History Museum for an in-depth exploration of computer development.

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