TRS-DOS (which stood for the Tandy Radio Shack - Disk Operating System) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s. Tandy's manuals recommended that it be pronounced triss-doss. TRS-DOS should not be confused with Tandy DOS a version of MS-DOS licensed from Microsoft for Tandy's x86 line of personal computers (PCs).
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- Il TRSDOS (acronimo di Tandy Radio Shack Disk Operating System) era un sistema operativo per dischi offerto per la linea di home computer TRS-80 prodotti da Tandy Corporation e venduti da Radio Shack fra la fine degli anni settanta e la prima metà degli anni ottanta. Il TRSDOS era composto da un'interfaccia a riga di comando e di un DISK BASIC, un'estensione del BASIC integrato nella ROM del computer che serviva per gestire le unità a dischi esterne, dato che il BASIC supportava solo i lettori di nastri magnetici. Queste unità potevano essere collegate al computer mediante una Expansion Interface, un'interfaccia di espansione che integrava anche un controller Western Digital 1771. I floppy disk gestibili dal 1771 erano da 5,25" a singola densità, ossia con 89 kB di capacità (successivamente a doppia densità, 160 kB). Nonostante il TRSDOS fosse offerto da Radio Shack insieme all'interfaccia di espansione, i bug presenti nelle prime versioni convinsero molti utenti ad adottare altri DOS di natura commerciale come il NEWDOS/80, l'LS-DOS ed il VTOS, quest'ultimo commercializzato dallo stesso creatore del TRSDOS, Randy Cook.
- TRS-DOS (which stood for the Tandy Radio Shack - Disk Operating System) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s. Tandy's manuals recommended that it be pronounced triss-doss. TRS-DOS should not be confused with Tandy DOS a version of MS-DOS licensed from Microsoft for Tandy's x86 line of personal computers (PCs). TRS-DOS was primarily a way of extending the MBASIC with additional I/O (input/output) commands that worked with disk files rather than the cassette tapes that were used by most other TRS-80 systems. TRS-DOS supported up to four floppy (mini-diskette) drives which used 5⁄4" (five and one quarter inch) diskettes with a capacity of 89K each (later 160K). The drives were numbered 0 through 3 and the system diskettes (which contained the TRS-DOS code and utilities) had to be in drive 0.
- TRS-DOS (Tandy Radio Shack Disk Operating System) est le nom du système d'exploitation de la gamme des micro-ordinateurs TRS-80 basés sur le microprocesseur Zilog Z80 dans les année 1980. Il permettait la gestion de 4 unités de disquettes 5 pouces 1/4, de capacité 160 Ko. La version pour le modèle 2 gérait des disquettes de 8 pouces.
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- Il TRSDOS (acronimo di Tandy Radio Shack Disk Operating System) era un sistema operativo per dischi offerto per la linea di home computer TRS-80 prodotti da Tandy Corporation e venduti da Radio Shack fra la fine degli anni settanta e la prima metà degli anni ottanta.
- TRS-DOS (which stood for the Tandy Radio Shack - Disk Operating System) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s. Tandy's manuals recommended that it be pronounced triss-doss. TRS-DOS should not be confused with Tandy DOS a version of MS-DOS licensed from Microsoft for Tandy's x86 line of personal computers (PCs).
- TRS-DOS (Tandy Radio Shack Disk Operating System) est le nom du système d'exploitation de la gamme des micro-ordinateurs TRS-80 basés sur le microprocesseur Zilog Z80 dans les année 1980. Il permettait la gestion de 4 unités de disquettes 5 pouces 1/4, de capacité 160 Ko. La version pour le modèle 2 gérait des disquettes de 8 pouces.
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