Is it possible to burn a Puppy Linux iso to the above, then run it on a mobile device such as a tablet with an Intel Atom processor? Clearly there is no way to run a Live DVD or CD. It may have USB but I prefer SDs for their size.
A few years ago on an old laptop I tried to, although with Fedora 13-14, do thusly on an SD card. Unetbootin did not like that; it was a failure and would not install.

Any comments or advice?

Well, you can certainly install Puppy on a micro SD card in exactly the same way you'd install it on a hard drive. If I haven't wiped it out, I have a bootable 4GB USB flash drive sitting around that contains frugal installs of several Puppy varieties.

RockDoctor, what installs do you suggest? I have never run Puppy before.

I have frugal installations of Porteus, Quirky-7.0.3, Tahr-6.0.2, and Vivid on a single bootable, old, and slow 4GB USB flash drive. I did it just to see if it can be done, rather than for any actual use case.

As for bootable SD cards, I've done full installations of both Fedora and Lubuntu onto an 8GB card. In each case I just downloaded the iso to my desktop computer; used dd to copy the iso to a USB flash drive; booted the desktop PC from the flash drive; plugged in the SD card; and installed, selecting the SD card as the target.

If you're used to a full version of Linux, I highly recommend getting a decent size SD card (8 GB is kind of marginal) and going with a distro with which you are familiar.

The various methods of installing Puppy are at the site below.

http://puppylinux.org/wikka/InstallationIndex

Ask your question here. There are the experts on Puppy.

http://www.murga-linux.com/puppy/

After five posts, my account there was deemed "inactive". No email was returned from the administrator, so I suspect I was banned for no clear reason. Hence, I joined here. Frankly it is inconsequential and the users here are more versed in other distros which I would like to try in the future.

Since Puppy is about 256 megabytes of required RAM, conceivably one could make due on a smaller card.
Once the tablet is in my possession, updates will be posted about the status of removing Windows 10 and going to be replaced with Puppy, clearly.

Unetbootin is not the best way to 'burn' an iso to usb.
Since about 2010, modern liveCD .iso files are 'hybrid' types that can be written directly to a USB flash drive. From Linux you can do this using dd and from Windows you can use win32diskimager.

Unetbootin was designed at a time when liveCD and install CDs were pure .iso files. At the time, netbooks that lacked optical drives either needed a special .img version or an external optical drive to install a new distro. Unetbootin filled the gap.

The introduction of the hybrid .iso which also acts as a .img file has made it obsolete in my opinion.

As for booting from an SD card, this depends largely on the 'bios' or firmware of the device. None of the netbooks/laptops in my collection allow booting from the built-in SD slot but they all allow booting from USB. Most tablets use ARM SoC and will not run an x86 build of any distro. Atom based tablets should be able to run the average x86 distro, but whether that will boot from SD or not will depend on the firmware.

P.S: Running Puppy, or any other desktop Distro, on a purely touchscreen device may be helluva tricky. You will have to install support for touch-screens and an on-screen keyboard which is usually not included in the default version of the distro.

I've set up my HP Stream 11 to boot dual boot Win 10 and Ubintu. Not sure if any of the recent Puppies can do this. Furthermore, I have no idea how it might work on a tablet. FWIW, here's the basic overview:

1. In Windows, defrag, then shrink the Windows partition to make space for a 500 MB boot partition for Linux
2. dd Ubuntu-Mate live iso to a USB dlash drive
3. Boot the laptop from the USB flash drive in UEFI mode
4. Download gparted (I suppose parted could work, but I'm familiar with gparted
5. Insert SD card into slot
6. Create a 500 MB ext4 partition for /boot on the internal SSD using gparted
7. Format the SD card (I set up a gpt partition table) and create whatever ext4 partitions you're going to want on the SD card using gparted
8. Install Ubuntu. Let it place the bootloader in the default place (on the SSD)
9. Reboot from the SSD (I need to ESC to get to the options page, then F9 to get to the boot options, then I select Ubuntu)

My goal is total removal of the Windows OS. I appreciate that helpful post, RockDoctor.
It seems to have a USB drive so that is an option. Unetbootin has never worked for me but will give it a try when able. Seems like a trip to the library to download Unetbootin & Puppy is in order.

Your goal of removing Windows completely is admirable.

But...

Linux is most excellent, but there a a few tasks that are better performed using Windows.

Putting a distro on a USB pendrive is one example where Windows is the best solution.(Seconded by other Linux users).

Good luck.

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Can anyone answer what appears to be a dumb question; does Puppy support a touchscreen interface? This tablet has a keyboard BUT if it does not support a touchscreen I'm dead in the water to go with Puppy.

Apparently it's been done. Googling puppy linux touchscreen pulls up a bunch of links

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For now, I'm marking this as "solved"; may God bless you for your collective help.