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Radio Shack TRS-80 Pocket Computer PC-4

See below for specifications and information on this system.

TRS-80_PC-4.jpg (47558 bytes)

Specifications and information

Key Dates: Introduced 1985
Original Price: Unknown
CPU: Unknown
Memory: "544 programming steps"
Display: 12-digit monochrome dot-matrix LCD
Operating System: ROM BASIC
Input/Output: Built-in alphanumeric QWERTY-style keyboard
Bus: Proprietary expansion bus for printer/cassette interface
Power: Two CR2032 lithium batteries, power consumption maximum 0.02 W
Size/Weight: 3/8" H x 6 1/2" W x 2 3/4" D
Other Items in Collection: User's Manual, Programmer's Guide, original box
Items Needed:  

The Radio Shack TRS-80 Pocket Computers were built for Tandy by Sharp.  They're similar to pocket calculators, except that they can be programmed in BASIC language.

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Last modified: April 17, 2003