Em Thursday 10 January 2002 09:14, JEFFERSON VASCONCELOS escreveu: > Mas n�o � a BIOS que habilita o microprocessador a acessar o hardware > de escrita e leitura (HD)? > Como o S.O. n�o precisa dele? > Ali�s, o primeiro S.O. n�o � a BIOS?
A BIOS � o "resto" de um sistema operacional: o CP/M. Veja uma breve hist�ria do CP/M e da BIOS extra�da de uma edi��o de 1985 (isso mesmo, 1985) da revista COMPUTE! Gazette aqui: http://www.devili.iki.fi/Computers/Commodore/articles/What_Is_CPM/ "Built into CP/M is a library of sub-programs for performing tasks like printing a character to the screen. Each computer might use a different kind of video display, so some portions of CP/M, the BIOS (Basic Input/Output Subsystem) were customized for each machine, but BIOS acted the same way on every machine. Because of the BIOS, programmers could write their routines to use these universal subprograms instead of directly programming their particular computer's video chip. The program, if written properly, could run on any computer with CP/M. Machine-specific tasks became standardized routines." -- Edgard Lemos [EMAIL PROTECTED] Usu�rio Linux n� 135479 Assinantes em 10/01/2002: 2239 Mensagens recebidas desde 07/01/1999: 149816 Historico e [des]cadastramento: http://linux-br.conectiva.com.br Assuntos administrativos e problemas com a lista: mailto:[EMAIL PROTECTED]
