Tandy Radio Shack TRS 80 III personal computer, with printer, c. 1981.

Tandy Radio Shack TRS 80 III personal computer

Radio Shack personal computer model TRS 80 III, with dust cover, c1981.

More

Radio Shack personal computer model TRS 80 III, c. 1981. Introduced in August 1977 by the retail electronics chain Radio Shack, the TRS 80 was the first complete, pre-assembled small computer system on the market. The Level 1 basic computer came with 4k RAM, a monitor, a cassette and all the cables and adaptors needed and sold for $599.95. The Model III improved on its design by integrating the monitor and keyboard in one unit and having a faster cassette interface. Both were powered by the Zilog Z-80 microprocessor and had Microsoft Basic built in.

Materials:: plastic (unidentified) , metal (unknown) , electronic components and composite

Object Number:: 1997-2281/1

type:: personal computers

Image ©: The Board of Trustees of the Science Museum

Tandy Radio Shack TRS 80 III personal computer accessories

Twinlock branded plastic box containing floppy disks and a mains power supply cord, from Radio Shack personal computer model TRS-80 III

More

Radio Shack personal computer model TRS 80 III, c. 1981. Introduced in August 1977 by the retail electronics chain Radio Shack, the TRS 80 was the first complete, pre-assembled small computer system on the market. The Level 1 basic computer came with 4k RAM, a monitor, a cassette and all the cables and adaptors needed and sold for $599.95. The Model III improved on its design by integrating the monitor and keyboard in one unit and having a faster cassette interface. Both were powered by the Zilog Z-80 microprocessor and had Microsoft Basic built in.

Object Number:: 1997-2281/2

type:: accessories

Tandy Radio Shack TRS 80 III DMP 100 printer

Radio Shack TRS-80 III DMP 100 dot matrix printer, c.1981

More

Radio Shack personal computer model TRS 80 III, c. 1981. Introduced in August 1977 by the retail electronics chain Radio Shack, the TRS 80 was the first complete, pre-assembled small computer system on the market. The Level 1 basic computer came with 4k RAM, a monitor, a cassette and all the cables and adaptors needed and sold for $599.95. The Model III improved on its design by integrating the monitor and keyboard in one unit and having a faster cassette interface. Both were powered by the Zilog Z-80 microprocessor and had Microsoft Basic built in.

Object Number:: 1997-2281/3

type:: printer

Tandy Radio Shack TRS 80 III manuals

Two folders, a system manual for TRS-80 III and a red folder

More

Radio Shack personal computer model TRS 80 III, c. 1981. Introduced in August 1977 by the retail electronics chain Radio Shack, the TRS 80 was the first complete, pre-assembled small computer system on the market. The Level 1 basic computer came with 4k RAM, a monitor, a cassette and all the cables and adaptors needed and sold for $599.95. The Model III improved on its design by integrating the monitor and keyboard in one unit and having a faster cassette interface. Both were powered by the Zilog Z-80 microprocessor and had Microsoft Basic built in.