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The Casio PB-100F computer

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Technical specifications
RAM (total)	:	1 / 2 Kb (0 or 1 ramcard of 1 Kb)
RAM available	:	544 / 1.568 bytes
ROM	:	?
CPU	:	VLSI specific
Text screen	:	1 line of 12 characters
Graphic screen	:	No
Sound	:	Yes
Size	:	165 x 71 x 10 mm
Weight	:	116 g. with batteries
Year	:	1983
Power	:	2 CR-2032 lithium batteries
Extensions
Memory	:	OR-1    1 Kb
		OR-1E  1 Kb
Printer	:	FP-12   Thermal technology
		FP-12S Thermal technology
		FP-12T Thermal technology
		FP-40   Thermal technology (using the SB-42)
Storage	:	FA-3     External tape interface
		FA-5     External tape interface (using the SB-2 link)
		FP-40    External tape interface (using the SB-42)
Communication	:	SB-2      Link cable