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Make	Model	CPU	Speed	RAM	Screen	Storage	Price	Magazine(s)	Notes
Science of Cambridge	MK14	SC/MP	4MHz	256B	8 digit LED	Room for more RAM, but no storage	£39.95	PCW • Feb 1978 pg. 8, PCW • May 1978 pg. 10, PCW • Mar 1979 pg. 25, PCW • May 1979 pg. 23	Self assembly kit with hex keypad.
Newbear	77-68	6800	1Mhz	256B	Front panel with switches and LEDs	Cassette deck	~£50	PCW • Feb 1978 pg. 16, PCW • Jan 1979 pg. 19	A kit of parts.
Lynx Electronics	NASCOM I	Z80	4MHz	2KB	TV	Cassette deck	£226.90	PCW • Feb 1978 pg. 20, PCW • Feb 1978 pg. 24, PCW • Apr 1979 pg. 26, PCW • May 1979 pg. 59, PCW • Jun 1979 pg. 51, PCW • Jun 1979 pg. 55	Kit computer. Lynx is a subsidiary of North American Semiconductor (US-based).
CASU Limited	SUPER C System	Z80	4Mhz	32KB	VDU terminal	500KB 8" floppy disk	£6950	PCW • Feb 1978 pg. 29	VDU (Visual Display Unit) terminal not included in the price.
SWTP	6800	6800		24KB	VDU terminal	2 x 600KB 8" floppy disks	£4900	PCW • May 1978 pg. 36, PCW • May 1978 pg. 42, PCW • Feb 1979 pg. 34	Flex DOS. Price is approximate depending on configuration.
EXTEL	Microfile	IMP-16		32KB	VDU terminal	2 x 312KB 8" PerSci floppy disks	£6500	PCW • May 1978 pg. 38	Commercial 16KB BASIC.
Commodore	PET 2001	6502	1Mhz	4KB	Monochrome monitor 40x25	Cassette deck	£600	PCW • May 1978 pg. 44	8KB Microsoft BASIC 1.0 in ROM.
Research Machines	RML 380Z	Z80	4Mhz	32KB	TV or VDU	One or two cassette decks	£1400	PCW • May 1978 pg. 47, PCW • Apr 1979 pg. 37, PCW • May 1979 pg. 67, PCW • May 1979 pg. 72	8KB BASIC.
Processor Technology	Sol Terminal Computer SOL-20	8080A	2Mhz	8KB	64 x 16	Cassette deck		PCW • Jul 1978 pg. 38, PCW • Sep 1978 pg. 5	BASIC/5; S100 bus.
MOS Technology Inc.	KIM-1	6502	1Mhz	1KB	6 x 7 segment LEDs; also supports VDU output 32 x 16 uppercase	Cassette deck		PCW • Aug 1978 pg. 24, PCW • Apr 1979 pg. 21	Tiny BASIC supported with 4KB RAM expansion; 15 minute load time.
Tandy Corporation	TRS-80 Model I	Z80	1.774Mhz	4KB-48KB	64 x 16 monochrome	Cassette deck; 5¼" 85KB (later 180KB) floppy disk drives	$599 4KB; $899 16KB; $2385 16KB + disk drive + Level 2 BASIC; $3874 32KB + 2 disk drives + line printer	PCW • Aug 1978 pg. 44, PCW • Sep 1978 pg. 7, PCW • Sep 1978 pg. 26, PCW • Oct 1978 pg. 24, PCW • Jan 1979 pg. 33, PCW • Feb 1979 pg. 44, PCW • May 1979 pg. 54	4KB ROM Level I BASIC (based on Tiny BASIC); from mid-1978, 12KB ROM Level II BASIC (Microsoft)—this needed disk drive and expansion bus.
Apple	Apple II	6502	1Mhz	16KB	TV or VDU 40 x 24; 280 x 192 x 6 colors; 40 x 48 x 16 colors	Cassette deck; 5¼" 113KB (later 140KB) floppy disk drives	£1250 (£1520 including TV and cassette deck)	PCW • Aug 1978 pg. 50, PCW • Sep 1978 pg. 9, PCW • Jan 1979 pg. 67	ROM Integer BASIC; Applesoft Extended BASIC (Microsoft)
North Star Computers	Horizon	Z80A	4Mhz	16KB	VDU 80 x 24	5¼" 90KB floppy disk drives	1 disk drive (Horizon I) £1275; 2 disk drives (Horizon II) £1550	PCW • Sep 1978 pg. 6	S100 bus; North Star DOS with Extended BASIC; Optional CP/M which includes CBASIC, Microsoft Extended BASIC, MAC macro assember, Microsoft COBOL-80 and Fortran-80.
Exidy	Sorcerer	Z80	2Mhz	32KB	TV or VDU 64 x 30; 512 x 240	Cassette deck and cartridge slots	£950	PCW • Nov 1978 pg. 71, PCW • May 1979 pg. 31, PCW • Jun 1979 pg. 58	12KB ROM BASIC; S100 expansion unit; ROM cartridges for “Standard” (Altair) 8KB BASIC, Assember/editor, other languages, DOS, applications.
Comememco	Z-2D	Z80	4Mhz	32KB		2 x 5¼" 90KB disk drives	£2,450	PCW • Dec 1978 pg. 40	Cromemco 16KB Extended BASIC; Cromemco FORTRAN IV; Cromemco Z80 macro assembler; S100 bus.
Pertec	Attache	8080A	2Mhz	16KB	64 x 16	2 x 8" 310KB floppy disks	£4,728 excl. monitor	PCW • Feb 1979 pg. 29	S100 bus; BASIC (8KB RAM); Extended BASIC (16KB RAM); MITS300-5A (Microsoft MBASIC) BASIC (24KB RAM)
Acorn	System 1	6502	1Mhz	1KB	LED	Cassette deck	£65 for kit; £75 assembled	PCW • Mar 1979 pg. 8	Designed by Sophie Wilson (and Steve Furber for the cassette interface)
Synertek Systems	SYM-1 (or VIM-1)	6502	1Mhz	1KB	6 digit LED	Cassette deck		PCW • Mar 1979 pg. 17	28 key keypad.
Vector Graphics	MZ	Z80	4Mhz	32KB	Combined Vector Graphics badged VDU/Keyboard	2 x 5¼" 315KB floppy disk drives	£2,300	PCW • Apr 1979 pg. 31	S100; Micropolis DOS (MDOS) including Assembler; Micropolis BASIC; CP/M (including FORTRAN, COBOL, CBASIC) available.
S.E.E.D.	MSI 6800 System One	6800	2Mhz	32KB	Combined VDU/Keyboard	2 x 5¼" 80KB floppy disk drives	£1,790	PCW • Jun 1979 pg. 35	DOS68; SMARTBUG monitor in ROM; SE/A-1 Super Editor/Assembler (£36); RANDOM BASIC (£65); SD-BASIC (£185)