Acorn Microcomputer
Table:
Acorn Microcomputer

Upper board, featuring keypad and LED display.

Developer	Acorn Computers
Type	8-bit semi-professional
Release date	March 1979; 45 years ago (1979-03)[1]
Introductory price	£65 (kit), £75 (assembled)[2]
CPU	6502 @ 1MHz
Memory	1.125K
Storage	CUTS cassette tape interface
Display	LED
Graphics	-
Sound	-
Input	25-key keypad
Controller input	-
Connectivity	INS8154 RAMIO Expansion chip (optional), CUTS cassette tape interface, socket for optional additional ROM/EPROM
Power	7.5V+ from external PSU through onboard 5V regulator
Dimensions	160 x 100mm two stacked boards
Successor	Acorn System 2, Acorn Atom

Consulting the table, state whether the hypothesis is entailed, neutral, or refuted. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Hypothesis: Acorn Computers developed the Acorn Microcomputer in 1979.

answer: entailed