BIOS and Booting

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between BIOS and Booting

BIOS vs. Booting

BIOS (an acronym for Basic Input/Output System and also known as the System BIOS, ROM BIOS or PC BIOS) is non-volatile firmware used to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs. In computing, booting is starting up a computer or computer appliance until it can be used.

Apple Inc.

Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.

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Apple–Intel architecture

The Apple–Intel architecture, or Mactel, is an unofficial name used for Apple Macintosh personal computers developed and manufactured by Apple Inc. that use Intel x86 processors, rather than the PowerPC and Motorola 68000 ("68k") series processors used in their predecessors.

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BIOS interrupt call

BIOS interrupt calls are a facility that operating systems and application programs use to invoke the facilities of the Basic Input/Output System on IBM PC compatible computers.

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Boot sector

A boot sector is a region of a hard disk, floppy disk, optical disc, or other data storage device that contains machine code to be loaded into random-access memory (RAM) by a computer system's built-in firmware.

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Checksum

A checksum is a small-sized datum derived from a block of digital data for the purpose of detecting errors which may have been introduced during its transmission or storage.

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Coreboot

coreboot, formerly known as LinuxBIOS, is a software project aimed at replacing proprietary firmware (BIOS or UEFI) found in most computers with a lightweight firmware designed to perform only the minimum number of tasks necessary to load and run a modern 32-bit or 64-bit operating system.

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EEPROM

EEPROM (also E2PROM) stands for Electrically Erasable Programmable Read-Only Memory and is a type of non-volatile memory used in computers, integrated in microcontrollers for smart cards and remote keyless system, and other electronic devices to store relatively small amounts of data but allowing individual bytes to be erased and reprogrammed.

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El Torito (CD-ROM standard)

The El Torito Bootable CD Specification is an extension to the ISO 9660 CD-ROM specification.

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Endianness

Endianness refers to the sequential order in which bytes are arranged into larger numerical values when stored in memory or when transmitted over digital links.

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Entry point

In computer programming, an entry point is where control is transferred from the operating system to a computer program, at which place the processor enters a program or a code fragment and execution begins.

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EPROM

An EPROM (rarely EROM), or erasable programmable read-only memory, is a type of memory chip that retains its data when its power supply is switched off.

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Firmware

In electronic systems and computing, firmware is a specific class of computer software that provides the low-level control for the device's specific hardware.

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Flash memory

Flash memory is an electronic (solid-state) non-volatile computer storage medium that can be electrically erased and reprogrammed.

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Floppy disk

A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

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Forth (programming language)

Forth is an imperative stack-based computer programming language and environment originally designed by Charles "Chuck" Moore.

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GUID Partition Table

GUID Partition Table (GPT) is a standard for the layout of the partition table on a physical storage device used in a desktop or server PC, such as a hard disk drive or solid-state drive, using globally unique identifiers (GUID).

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM BASIC

The IBM Personal Computer Basic, commonly shortened to IBM BASIC, is a programming language first released by IBM with the IBM Personal Computer (model 5150) in 1981.

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IBM Personal Computer

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Libreboot

Libreboot (formerly known as GNU Libreboot) is a free software project aimed at replacing the proprietary BIOS firmware found in most computers with a libre, lightweight system designed to perform only the minimum number of tasks necessary to load and run a modern 32-bit or 64-bit operating system.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Master boot record

A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Open Firmware

Open Firmware, or OpenBoot in Sun Microsystems parlance, is a standard defining the interfaces of a computer firmware system, formerly endorsed by the Institute of Electrical and Electronics Engineers (IEEE).

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Optical disc drive

In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.

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Power-on self-test

A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.

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PowerPC

PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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Read-only memory

Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.

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Real mode

Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs.

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Rootkit

A root kit is a collection of computer software, typically malicious, designed to enable access to a computer or areas of its software that is not otherwise allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software.

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SCSI

Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.

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Serial Peripheral Interface

The Serial Peripheral Interface (SPI) is a synchronous serial communication interface specification used for short distance communication, primarily in embedded systems.

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SPARC

SPARC, for Scalable Processor Architecture, is a reduced instruction set computing (RISC) instruction set architecture (ISA) originally developed by Sun Microsystems.

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Unified Extensible Firmware Interface

The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware.

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USB

USB (abbreviation of Universal Serial Bus), is an industry standard that was developed to define cables, connectors and protocols for connection, communication, and power supply between personal computers and their peripheral devices.

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Volume boot record

A volume boot record (VBR) (also known as a volume boot sector, a partition boot record or a partition boot sector) is a type of boot sector introduced by the IBM Personal Computer.

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Windows XP

Windows XP (codenamed Whistler) is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems.

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X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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