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43 relations: Addison-Wesley, Address bus, Application programming interface, BIOS, Bit numbering, Booting, Byte addressing, Chipset, Computer data storage, CONFIG.SYS, CP/M, DOS, Electricity, Extended memory, Haswell (microarchitecture), High memory area, HIMEM.SYS, IBM, IBM Personal Computer, IBM Personal Computer/AT, Intel 80186, Intel 80286, Intel 80386, Intel 80486, Intel 8086, Intel 8088, Intel MCS-48, Logarithm, Logic gate, Memory management, Motherboard, MS-DOS, Nehalem (microarchitecture), Operating system, Pentium, Program Segment Prefix, Protected mode, Real mode, System bus, Taylor & Francis, Virtual 8086 mode, Virtual memory, X86.
Addison-Wesley
Addison-Wesley is a publisher of textbooks and computer literature.
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Address bus
An address bus is a computer bus (a series of lines connecting two or more devices) that is used to specify a physical address.
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Application programming interface
In computer programming, an application programming interface (API) is a set of subroutine definitions, protocols, and tools for building software.
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BIOS
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.
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Bit numbering
In computing, bit numbering (or sometimes bit endianness) is the convention used to identify the bit positions in a binary number or a container for such a value.
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Booting
In computing, booting is starting up a computer or computer appliance until it can be used.
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Byte addressing
Byte addressing refers to hardware architectures which support accessing individual bytes of data rather than only larger units called words, which would be word-addressable.
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Chipset
In a computer system, a chipset is a set of electronic components in an integrated circuit known as a "Data Flow Management System" that manages the data flow between the processor, memory and peripherals.
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Computer data storage
Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.
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CONFIG.SYS
CONFIG.SYS is the primary configuration file for the DOS and OS/2 operating systems.
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CP/M
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.
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DOS
DOS is a family of disk operating systems.
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Electricity
Electricity is the set of physical phenomena associated with the presence and motion of electric charge.
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Extended memory
In DOS memory management, extended memory refers to memory above the first megabyte (220 bytes) of address space in an IBM PC or compatible with an 80286 or later processor.
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Haswell (microarchitecture)
Haswell is the codename for a processor microarchitecture developed by Intel as the "fourth-generation core" successor to the Ivy Bridge microarchitecture.
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High memory area
In DOS memory management, the high memory area (HMA) is the RAM area consisting of the first 65520 bytes above the one megabyte in an IBM AT or compatible computer.
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HIMEM.SYS
HIMEM.SYS is a DOS device driver which allows DOS programs to store data in extended memory via the Extended Memory Specification (XMS).
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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 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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IBM Personal Computer/AT
The IBM Personal Computer AT, more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBM's second-generation PC, designed around the 6 MHz Intel 80286 microprocessor and released in 1984 as System Unit 5170.
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Intel 80186
The Intel 80186, also known as the iAPX 186, or just 186, is a microprocessor and microcontroller introduced in 1982.
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Intel 80286
The Intel 80286 (also marketed as the iAPX 286 and often called Intel 286) is a 16-bit microprocessor that was introduced on 1 February 1982.
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Intel 80386
The Intel 80386, also known as i386 or just 386, is a 32-bit microprocessor introduced in 1985.
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Intel 80486
The Intel 80486, also known as the i486 or 486, is a higher performance follow-up to the Intel 80386 microprocessor.
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Intel 8086
The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.
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Intel 8088
The Intel 8088 ("eighty-eighty-eight", also called iAPX 88) microprocessor is a variant of the Intel 8086.
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Intel MCS-48
The MCS-48 microcontroller (µC) series, Intel's first microcontroller, was originally released in 1976.
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Logarithm
In mathematics, the logarithm is the inverse function to exponentiation.
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Logic gate
In electronics, a logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more binary inputs and produces a single binary output.
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Memory management
Memory management is a form of resource management applied to computer memory.
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Motherboard
A motherboard (sometimes alternatively known as the mainboard, system board, baseboard, planar board or logic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems.
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MS-DOS
MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.
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Nehalem (microarchitecture)
Nehalem is the codename for an Intel processor microarchitecture released in November 2008.
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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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Pentium
Pentium is a brand used for a series of x86 architecture-compatible microprocessors produced by Intel since 1993.
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Program Segment Prefix
The Program Segment Prefix (PSP) is a data structure used in DOS systems to store the state of a program.
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Protected mode
In computing, protected mode, also called protected virtual address mode, is an operational mode of x86-compatible central processing units (CPUs).
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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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System bus
A system bus is a single computer bus that connects the major components of a computer system, combining the functions of a data bus to carry information, an address bus to determine where it should be sent, and a control bus to determine its operation.
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Taylor & Francis
Taylor & Francis Group is an international company originating in England that publishes books and academic journals.
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Virtual 8086 mode
In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode or VM86) allows the execution of real mode applications that are incapable of running directly in protected mode while the processor is running a protected mode operating system.
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Virtual memory
In computing, virtual memory (also virtual storage) is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a very large (main) memory." The computer's operating system, using a combination of hardware and software, maps memory addresses used by a program, called virtual addresses, into physical addresses in computer memory.
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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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A20 Gate, A20 Line, A20 gate, A20 handler, Gate A20.
References
[1] https://en.wikipedia.org/wiki/A20_line
