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- Let's talk about tablets.

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This is a tablet computer.

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It's a thin mobile device.

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We operate it by tapping
on the touchscreen

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to do what we need here.

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I think everyone who's
watching this video is

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pretty familiar with how
to operate one of these.

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So, let's get into the details of these.

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Now these generally measure
between six and 10 or 11 inches

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and that's measured
diagonally by the screen size

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by the display size.

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You can use these for simple tasks

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such as reading books
or browsing the internet

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but you can use them for
more complex tasks as well.

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If you have a more powerful tablet

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you could do more than that.

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You can go and do recording, editing,

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photo editing, even programming

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but you have to make sure you match

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the tablet with what you
need, the specs of the tablet

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with what you need for your applications.

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And the main reason that I have
this, this is an Apple iPad.

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The main reason I have this

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is so I can use it as a control surface

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for my wireless recording for video.

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All my cameras are hooked
up to a hub that's over here

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and it's a wireless hub

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and this program actually controls that

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it's all done wirelessly.

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And so, that's the main purpose for this.

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So, need a good amount
of power on the tablet

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in order to run this program
and control that wireless hub.

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So you gotta use the right
tool for what you need.

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Okay, so I mentioned these screens

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they're usually six to
say, 11 inches diagonal.

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And this particular one
is a 9.7 inch display.

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This is an Apple iPad 2017 model

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it's LED backlit so, it's using diodes

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and it's a multi-touch display.

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So, that means that we
can tap with one finger

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and we can use multiple fingers to swipe

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and to move to other apps,

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to close apps with the five
fingers swipe and so on.

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And these are capacitive touchscreens.

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Again, they can respond
to one or more fingers

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but also they can respond to
specialized stylus devices.

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Now these are usually proprietary.

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So, if you're using an iPad,
you'd need an Apple pencil

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special stylus that you can use.

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This one is a Samsung stylus,
so this one's not gonna work

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but it will work on Samsung devices.

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So, you could use specific stylus or styli

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for these multi-touch screens as well.

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And this particular one uses
IPS, in-plane switching.

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So we can have a wider viewing angle.

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And in fact, you can see
here we can go pretty wide

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and you can still see everything
on the screen very well

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so that's IPS.

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And this one is a Quad
Extended Graphics Array, QXGA.

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And it has a resolution of 2048
across by 1536 up and down.

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And that's a four to three aspect ratio.

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And you may say, well
four to three aspect ratio

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that sounds kind of old
school like CRT monitors

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but that's what iPads
and a lot of tablets use.

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And you would say well,

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most laptops that I see are 16 by nine

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and PCs are 16 by nine or 16 by 10.

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And why is that?

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Well with the four by three aspect ratio

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you get a little bit more
space, a little bit more height.

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So if you have an on-screen
keyboard that pops up

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you'll only lose about
this much up to here

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and you'll still be
able to see up up here.

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And that works a little bit better

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than having a wider
screen, like a 16 by nine.

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So, quite often you'll see that

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plus it kinda works for
handling the device as well.

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Now, this one has a 1.85 gigahertz CPU

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and there's two main
goals for these tablets.

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The first, is to be highly portable.

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You wanna be able to move it around,

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to do what you need to with it,

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long battery power,
portable, but then also

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you wanna have powerful
processing capabilities

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but it's such a small device.

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In order to accomplish this

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what we use is a system on a chip or SOC.

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What that does is it combines
a CPU, RAM, storage, and more

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like it's an entire system
on a single substrate

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essentially a system unto itself.

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And the CPU that's used
is arm-based A-R-M.

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And that's a type of reduced
instruction set computing risk.

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And the idea is an Arm-based
CPU uses less transistors

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than a CPU you would
find in a PC or a laptop.

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And that uses less space,
it's lower power consumption

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but still you get a lot
of processing power.

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So, the Arm-based CPU system
on a chip is very common

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for mobile devices like
tablets and smartphones.

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Built into that system on a
chip, you'll have DDR RAM.

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In this case, this one has
two gigahertz of LP DDR4 RAM.

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Smaller form factor than any
other DDR you'll find in a PC

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or SO-DIMM that you'll find in a laptop.

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Quite often with tablets you'll have

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beyond the memory beyond the RAM

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which is usually two,
gig four gigs, six gig

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currently as of the
recording of this video,

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you'll also have long term storage,

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permanent storage between
say 32 and 256 gigabytes.

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And that's flash memory
similar to a USB flash drive.

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This one has 128 gigabytes.

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These also come with a long life battery

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and all these devices today use

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lithium ion polymer batteries,

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Li-ion polymer batteries.

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And so it's similar to the
lithium ion batteries and laptops

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but these could be made into any shape

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so, you can shape it to what
you need for this device.

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This particular one is
8,827 milliamp-hours

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otherwise known as 32.4 watt-hours.

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And what that effectively means is

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you can work on it
typically for about 10 hours

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on a full charge.

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And then you have cameras.

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You have some built in cameras here.

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And here we have one on the back.

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That's the more powerful camera.

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This is an eight megapixel camera.

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So, you can take very large pictures

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and you can record at 1080P,

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that's 1920 by 1080
resolution video recording.

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And then these usually
have a second camera

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on the front here.

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And that's used for doing
things like FaceTime or Skype

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or what have you
communicating with people.

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And so, that camera is
a 1.2 megapixel camera.

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So much smaller pictures,
and it does 720p video.

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That's 1080 by 720
resolution, still high def

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but the lowest version of high
def that's available to you.

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So, there's some of the
details of this device.

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And again, there are
different types of tablets.

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Okay, here we have an Amazon
Fire and this is a Kid's Fire.

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And it's a pretty nice device.

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It's really good for reading
books or for doing basic apps

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and things like that

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but this would never be able to handle

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the video recording that I need to do.

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It doesn't have a
powerful enough processor.

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It's not meant to do that type of stuff.

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It's a much more inexpensive device.

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And so this is good for kids,

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it's good for adults who just
wanna read or browse the web.

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But if you want to get into something

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where you've got real power,

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you're gonna need something
more powerful, right?

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And like I was saying, I'm
using this wireless hub

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to record what we have here,
record my various video devices

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and switch between different screens.

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And so you need something like an iPad.

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In fact, it's proprietary for
this program gotta use an iPad

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but you might wanna work
with something else as well.

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For example, if you
need something powerful

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that's Android based, you might
go at something by Samsung.

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And kind of bridging the gap
between laptops and tablets.

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You have the surface,
the Microsoft Surface

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which of course will run Windows,

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but those are touch screens
they come with a keyboard.

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So, it's a laptop it's a tablet

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who knows you can call it
whatever you want really.

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And sometimes they'll even call it both.

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They'll call it a surface,
they'll call it the laptop

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sometimes they'll it a tablet

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'cause it all depends
on how you're using it.

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Are you using that keyboard

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or you just have it flat in tablet mode?

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So, the whole idea here again is

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that you wanna use the right device

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and depending on what
type of device you use

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you're gonna have a different
connector for charging

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and for synchronization of data.

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This one, this iPad uses
a lightning connector.

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And that's an example of that.

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Again for charging, and you
could probably hear that

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now it's charging and it's also
for synchronization of data.

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This one uses a USB connection
and that is a micro-USB

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which will show again
and we've shown before

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but you might have a device
also that uses USB-C.

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And so here's a quick
view of both of those.

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On the right we have the micro-USB

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and on the left we have the USB-C.

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So you wanna know the differences

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between all those micro-USB, USB-C,

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and also the lightning connector

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that you'll find on iPads
and other Apple devices.

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So make sure that you understand

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the various hardware
specifications for a device,

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how to read these

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and how to understand what it
is that they're talking about

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and what all these specs mean
for these different devices.

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And always remember to
select the right tool

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for the job at hand, for the task at hand.

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Whether you're just browsing
the web and reading books

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or doing some content
creation and video editing

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and audio editing and things like that.

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And keep in mind also,
you might have some people

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that will refer to a device
like this as a tablet

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because it's thin and
you can read things on it

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but really this is just an e-reader.

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And what we have here
is just black and white.

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It's just meant for reading books.

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So, it's really not considered a tablet

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by technicians and by companies

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it's considered an electronic
reader or e-reader.

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And here we have "The
Autobiography of Benjamin Franklin"

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if that excites you.

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So, different device though

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you want to definitely differentiate

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between those and tablets.

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All right, so a little bit about tablets

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and take a look at some
of the latest tablets

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that are out there today.

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Take a look at Apple,
Samsung, Microsoft Surface

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some of the Kindle devices

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look at all the manufacturers out there

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and see what they have to offer

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and take a look at the
specs of those devices

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and make sure that you can understand

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the different specifications

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like the CPU, like the
RAM, the flash memory,

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the battery, and the display technology,

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as well as the cameras.
