ABC 24
This is a Z80 based M/PM and CP/m machine, with 64K of RAM, expandable to 1MB and very advanced word processing capabilities. AI used their own operating system called DOSKET, but the machine's could also use CP/M. MP/M, UCSD PASCAL, they could be used in multi terminal configurations, with up to 7 machines linked together.
There was a single CPU board, with LSis, many interface ports and a full ASCII keyboard.
The main unit houses a green screen monitor, sporting a 640x288 display, with 80x24 character size, and has twin 8 inch floppy drives with 1.15x2MB memory storage capacity, the separate keyboard has 16 user programmable keys.
CPU View - Zilog Z80 Family
The Z80 quickly became popular in the personal computer market, with many early personal computers, such as the TRS-80 and Sinclair ZX80, using the Z80 as their central processing unit (CPU). It was also widely used in home computers, such as the MSX range, SORD, and the Amstrad CPC, as well as in many arcade games. Additionally, it was also used in other applications such as industrial control systems, and embedded systems. The Z80 was widely used until the mid-1980s, when it was gradually replaced by newer microprocessors such as the Intel 80286 and the Motorola 68000.
The Z80 microprocessor was developed by Zilog, a company founded by Federico Faggin in 1974. The Z80 was released in July 1976, as a successor to the Intel 8080. It was designed to be fully compatible with the 8080, but also included new features such as an improved instruction set, more powerful interrupts, and a more sophisticated memory management system.
The Z80 quickly became popular in the personal computer
MP/M
CP/M Storage Two 8" Floppy Disk Drives