IT Summaries
edited
... A couple of weeks back we put the original iPad up against the Xoom in a site-loading speed ba…
...
A couple of weeks back we put the original iPad up against the Xoom in a site-loading speed battle. Site-loading speed is one of the simplest things to test, and it's a test many users can immediately relate to. As I said in the previous post, I'm a greater fan of real-world tests like going to actual, real sites, than of synthetic benchmarks. Although in the video you'll only see one iteration for each test, we actually ran each test several times; over those runs we got results consistent with what you'll see here. Also, we cleared each tablet's browser cache before each iteration of the tests was run.
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holodeck
edited
... 360 Learning Environment on site fabrication
Stuff we need to build the holodeck
Again, thi…
...
360 Learning Environment on site fabrication
Stuff we need to build the holodeck
Again, this mechanism is based on the concept of projecting
a memory map of an image.
Consider for a moment how a simple video card works:
there is an area of memory in a computer which is being read
while the monitor is translating that data into light. Each BYTE
may represent a dot on the screen. The bytes can be visualized
as being arranged in a rectangular map of the screen. Which byte
contains which dot is numbered YX.
The holodeck contains memory banks visualizable as Cubes,
and where the memory contains "not zero", the projector projects
a dot of light. The number of the byte containing the dot is ZYX.
In both display systems, the display must continually feed the
memory contents into itself, while also allowing a computer to
access the memory and draw things on this (memory) map. And
so, when looking at a memory mapped display, you are peering into
an imaginary world contained in the computer's memory.
Memory contents can be translated easily to Video with nothing
more than a binary counter, Especially if the memory is ROM, and
the monitor has separate RGB and SYNC inputs.
The holodeck similarly translates the memory for it's projector.
The projector is much simpler than a monitor,
but this article on constructing it is not yet complete.
