HP touch screen 150.

This early Intel 8088-based non-IBM compatible MS-DOS computer was produced by Hewlett Packard in 1983. Distinguishing features:

It was the first computer to use a 3.5" rigid diskette.
Terminal access to the screen rather than PC-like video-adapter graphics.
It was bootable in terminal mode, as an HP2621, no computer.
It had infrared touch-screen capability, allowing creation of ATM-like applications.
Monochrome 512 x 390 HP2648A (?) graphics on a 9" Sony screen.
Built-in thermal printer.
Color pen-plotter interface.

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