ibm pc bios造句

The original IBM PC BIOS ( and cassette BASIC ) was stored on mask-programmed read-only memory ( ROM ) chips in sockets on the motherboard.
The original IBM PC BIOS was 8k in size and occupied four 2k ROM chips on the motherboard, with a fifth and sixth empty slot left for any extra ROMs the user wished to install.
:: The IBM PC BIOS isn't an operating system-it was ( essentially ) just the keyboard, screen and disk drivers-plus the boot-loader for the PC-DOS operating system.
For contrast, the original IBM PC BIOS was contained in an 8 KiB mask ROM . Some modern motherboards are including even bigger NAND flash memory ICs on board which are capable of storing whole compact operating systems, such as some Linux distributions.
A new 9-sector format bumped the capacity of floppy disks to 360 kB . The Unix-inspired kernel featured file handles in place of the CP / M-derivative file control blocks and loadable device drivers could now be used for adding hardware beyond what the IBM PC BIOS supported.
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The BIOS sources for CP / M were also published ( and is almost identical to the IBM PC BIOS of the time ) . . . that was the way you got CP / M running on a new computer . . . you read the'standard'BIOS code, and wrote something for your computer that had the same interface.
Older programs will not take advantage of newer higher-resolution and higher-color display standards, while some newer programs require newer display adapters . ( Note that as the display adapter was an adapter card in all of these IBM models, newer display hardware could easily be, and often was, retrofitted to older models . ) A few programs, typically very early ones, are written for and require a specific version of the IBM PC BIOS ROM . Most notably, BASICA which was dependent on the BIOS ROM had a sister program called GW-BASIC which supported more functions, was 100 % backwards compatible and could run independently from the BIOS ROM.