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Tandy 10 Business Computer System

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Tandy 10 Business Computer System
DeveloperRadio Shack
ManufacturerApplied Digital Data Systems (ADDS)
Release date1978; 47 years ago (1978)
Introductory price8995 US$ (today $43364.16)[1]
Discontinuedlate 1980
MediaTwo dual-sided 8" diskette drives
Operating systemADOS Disk Operating System
CPU8080
Memory48K
Display80 x 24 text display

The Tandy 10 Business Computer System is a product developed by Radio Shack in the late 1970s as a business-oriented complement to its TRS-80 Model I desktop computer.[2][3][4][5][6] Released in 1978, the Tandy 10 was built for Radio Shack by Applied Digital Data Systems (ADDS), and was only sold by Radio Shack's dedicated computer center stores.[2]

The computer is about the size of a two-drawer filing cabinet, with a monitor and keyboard built into a desk-shaped console, along with two 8-inch floppy drives vertically mounted in the pedestal.[7] Features include:

  • 8080 CPU
  • 48K memory[8]
  • 80 x 24 video display
  • Two dual-sided 8" diskette drives
  • Dartmouth BASIC
  • ADOS Disk Operating System

Optional:

  • Fortran IV language
  • Assembly Language program language

The original ADDS machine, the System 50,[9] was intended to be used as a data entry system and not as a standalone computer. It has a form designer; data is entered into the form and sent via RS-232 to a mainframe. Since it has a microprocessor, Tandy matched it up with Peachtree Accounting software to market it as a business computer.

The system did not sell in large numbers. Radio Shack's next business system is an extension of the TRS-80 product line, the TRS-80 Model II, released in May 1979. The Tandy 10 was discontinued in late 1980.

References

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  1. ^ Advert: Tandy 10, ,St. Petersburg Times - Dec 8, 1978, Page 12C,
  2. ^ a b Libes, Sol (March 1979). "BYTE News". Byte. p. 109. Retrieved 2015-03-17. The Tandy-10 is made for Tandy by Digital Data Systems (DDS) and will have a base price of $8995. Using an 8080, it will have a video display, keyboard 48 K bytes of programmable memory, two 8 inch flopy disk drives, BASIC and a disk operating system similar to CP/M.
  3. ^ TRS-80 Monthly Newsletter. H & E Computronics. 1979. p. 6.
  4. ^ Tandy 10, 2 Page Sales Flyer (PDF). Radio Shack.
  5. ^ Tandy 10 Brochure. Radio Shack. 1978. Archived from the original on 4 March 2016.
  6. ^ "New Products: Tandy 10 Business System". Kilobaud. September 1978. p. 12.
  7. ^ "Tandy 10 Business Computer System". Computer History Museum. 2025.
  8. ^ Mike Motta (May 23, 2006). "Tandy 10 16K RAM Board Pics", Vintage Computer Forum. Retrieved April 7, 2025. "... the board consists of an array of 1Kx1 2102 RAM chips, along with some DIP switches. ... The Tandy 10 had three of these cards, for a total of 48K."
  9. ^ Matthew Reed. "The Tandy 10". TRS-80.org. Retrieved 2015-03-17.
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