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Also known as X86 Architecture
x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel, based on the 8086 microprocessor and its 8-bit-external-bus variant, the 8088. The 8086 was introduced in 1978 as a fully 16-bit extension of Intel's 8-bit 8080 microprocessor, with memory segmentation as a solution for addressing more memory than can be covered by a plain 16-bit address. The term "x86" came into being because the names of several successors to Intel's 8086 processor end in "86", including the 80186, 80286, 80386 and 80
I cannot write an overview of "Q182933" based on the provided context, as the context discusses x86 architecture generally but does not contain any information about what Q182933 specifically is or why it matters. To provide an accurate overview as requested, I would need context that directly addresses Q182933.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- CPU architecture.extensions
- x87, IA-32, x86-64, MMX, 3DNow!, SSE, MCA, ACPI, SSE2, NX bit, SMT, SSE3, SSSE3, SSE4, SSE4.2, AES-NI, CLMUL, SM3, SM4, RDRAND, SHA, MPX, SME, SGX, XOP, F16C, ADX, BMI, FMA, AVX, AVX2, AVX-VNNI, AVX-IFMA, AVX512, AVX10, AMX, VT-x, VT-d, AMD-V, AMD-Vi, TSX, ASF, TXT, APX
- CPU architecture.open
- Mixed
- CPU architecture.name
- x86
- CPU architecture.designer
- Intel, AMD
- CPU architecture.bits
- 16-bit, 32-bit and 64-bit
- CPU architecture.introduced
- 1978 (16-bit), 1985 (32-bit), 2003 (64-bit)
- CPU architecture.design
- CISC
- CPU architecture.type
- Register–memory
- CPU architecture.encoding
- Variable (1 to 15 bytes)
- CPU architecture.branching
- Condition code
- CPU architecture.endianness
- Little
- CPU architecture.page size
- 8086–i286: Nonei386, i486: 4 KB pagesP5 Pentium: added 4 MB pages(Legacy PAE: 4 KB→2 MB)x86-64: added 1 GB pages
via Wikipedia infobox
Wikidata facts
- Instance of
- instruction set architecture
- Subclass of
- instruction set architecture
- Designed by
- AMD
Show 5 more facts
- Commons category
- X86 Microprocessors
- Stack Exchange tag
- stackoverflow.com/tags/x86
- topic's main category
- Category:X86 architecture
- different from
- IA-32
- inception
- 1978-00-00
via Wikidata · CC0
~68 min read
Encyclopedic overview
43 sectionsContents
- Overview
- Chronology
- History
- Designers and manufacturers
- From 16-bit and 32-bit to 64-bit architecture
- Continued support for 16-bit and 32-bit execution modes
- Basic properties of the architecture
- Floating point and SIMD
- Current implementations
- Addressing modes
- x86 registers
- 16-bit
- 32-bit
- 64-bit
- 128-bit
- 256-bit
- 512-bit
- Miscellaneous/special purpose
- Purpose
- Structure
- Operating modes
- Real mode
- Unreal mode
- System Management Mode
- Protected mode
- Virtual 8086 mode
- Long mode
- Extensions
- x87
- PAE
- MMX
- 3DNow!
- SSE
- x86-64
- AMD-V and VT-x
- AES-NI
- AVX
- {{Anchor|APX (Advanced Performance Extensions)}}APX
- See also
- Notes
- References
- Further reading
- External links
x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel, based on the 8086 microprocessor and its 8-bit-external-bus variant, the 8088. The 8086 was introduced in 1978 as a fully 16-bit extension of Intel's 8-bit 8080 microprocessor, with memory segmentation as a solution for addressing more memory than can be covered by a plain 16-bit address. The term "x86" came into being because the names of several successors to Intel's 8086 processor end in "86", including the 80186, 80286, 80386 and 80486. Colloquially, their names were "186", "286", "386" and "486".
The term is not synonymous with IBM PC compatibility, as this implies a multitude of other computer hardware. Embedded systems and general-purpose computers used x86 chips before the PC-compatible market started, some of them before the IBM PC (1981) debut.
Excerpted from Wikipedia’s “x86” article, available under the CC BY-SA 4.0 licence.
Gallery (12)
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