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What (who) is copy block cursor - definition

COMPUTER OPERATING SYSTEM

Acorn OS; Copy Cursor (Acorn); Acorn Copy Cursor

CURSOR

1978-1982 DISK MAGAZINE

Cursor (magazine)

CURSOR: Programs for PET Computers was an early computer-based "magazine" that was distributed on cassette from 1978 and into the early 1980s. Each issue, consisting of the cassette itself and a short newsletter including a table of contents, contained programs, utilities, and games.

https://en.wikipedia.org/wiki/CURSOR

Copy (command)

COMMAND OF RT-11, RSX-11, OPENVMS, DOS, OS/2 AND MICROSOFT WINDOWS OPERATING SYSTEMS

Copy Con; Copy con; COPY (command); COPY (DOS command); COPY (DOS); COPY/FTP (command)

In computing, copy is a command in various operating systems. The command copies computer files from one directory to another.

https://en.wikipedia.org/wiki/Copy_(command)

cursor

1978-1982 DISK MAGAZINE

Cursor (magazine)

1. <hardware> A visually distinct mark on a display indicating where newly typed text will be inserted. The cursor moves as text is typed and, in most modern editors, can be moved around within a document by the user to change the insertion point. 2. <database> In SQL, a named control structure used by an application program to point to a row of data. The position of the row is within a table or view, and the cursor is used interactively so select rows from columns. (1996-12-27)

Wikipedia

Acorn MOS

The Machine Operating System (MOS) or OS is a discontinued computer operating system (OS) used in Acorn Computers' BBC computer range. It included support for four-channel sound, graphics, file system abstraction, and digital and analogue input/output (I/O) including a daisy-chained expansion bus. The system was single-tasking, monolithic and non-reentrant.

Versions 0.10 to 1.20 were used on the BBC Micro, version 1.00 on the Electron, version 2 was used on the B+, and versions 3 to 5 were used in the BBC Master series.

The final BBC computer, the BBC A3000, was 32-bit and ran RISC OS, which kept on portions of the Acorn MOS architecture and shared a number of characteristics (e.g. "star commands" CLI, "VDU" video control codes and screen modes) with the earlier 8-bit MOS.

Versions 0 to 2 of the MOS were 16 KiB in size, written in 6502 machine code, and held in read-only memory (ROM) on the motherboard. The upper quarter of the 16-bit address space (0xC000 to 0xFFFF) is reserved for its ROM code and I/O space.

Versions 3 to 5 were still restricted to a 16 KiB address space, but managed to hold more code and hence more complex routines, partly because of the alternative 65C102 central processing unit (CPU) with its denser instruction set plus the careful use of paging.

https://en.wikipedia.org/wiki/Acorn MOS