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In computing, BIOS (/ ˈ b aɪ ɒ s,-oʊ s /, BY-oss, -ohss; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is a type of firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process (power-on startup). [1]
Pages in category "BIOS" The following 60 pages are in this category, out of 60 total. ... System Management BIOS; System Management Mode; U. UEFI Forum; Upper memory ...
BIOS—Basic Input Output System; BJT—Bipolar Junction Transistor; bit—binary digit; Blob—Binary large object; Blog—Web Log; BMP—Basic Multilingual Plane; BNC—Baby Neill Constant; BOINC—Berkeley Open Infrastructure for Network Computing; BOM—Byte Order Mark; BOOTP—Bootstrap Protocol; BPDU—Bridge Protocol Data Unit
The development of a hobbyist operating system is one of the more involved and technical options for a computer hobbyist. The definition of a hobby operating system can sometimes be vague. It can be from the developer's view, where the developers do it just for fun or learning; it can also be seen from the user's view, where the users are only ...
[3] [nb 1] Under PC DOS, the system attribute is set in order to mark the file as non-movable, a restriction technically not necessary under DR-DOS. [ 7 ] [ 5 ] [ 6 ] [ 8 ] [ 3 ] As IBMBIO.COM is a binary image containing executable code rather than a true COM -style program, the hidden attribute is set to keep the file from being accidentally ...
BIOS interrupt calls perform hardware control or I/O functions requested by a program, return system information to the program, or do both. A key element of the purpose of BIOS calls is abstraction - the BIOS calls perform generally defined functions, and the specific details of how those functions are executed on the particular hardware of the system are encapsulated in the BIOS and hidden ...
An IOCS program must create a control block for each file, specifying information unique to the file. For 7070 IOCS these are entries in the File Specification Table for tape files, each of which is generated by a DTF [7]: 19–26 [15]: 26–28 statement, or separate control blocks generated by DDF [8]: 31–37 [15]: 29–30 or DUF [7]: 44–47 [15]: 31–33 statements.
Phoenix Technologies Ltd. is an American company that designs, develops and supports core system software for personal computers and other computing devices. The company's products – commonly referred to as BIOS (Basic Input/Output System) or firmware – support and enable the compatibility, connectivity, security and management of the various components and technologies used in such devices.