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  2. 64-bit computing - Wikipedia

    en.wikipedia.org/wiki/64-bit_computing

    The term 64-bit also describes a generation of computers in which 64-bit processors are the norm. 64 bits is a word size that defines certain classes of computer architecture, buses, memory, and CPUs and, by extension, the software that runs on them. 64-bit CPUs have been used in supercomputers since the 1970s (Cray-1, 1975) and in reduced ...

  3. MemTest86 - Wikipedia

    en.wikipedia.org/wiki/Memtest86

    MemTest86 was developed by Chris Brady in 1994. [1] It was written in C and x86 assembly, and for all BIOS versions, was released under the GNU General Public License (GPL). ). The bootloading code was originally derived from Linux 1.2.

  4. x86 instruction listings - Wikipedia

    en.wikipedia.org/wiki/X86_instruction_listings

    The bit to test is copied to EFLAGS.CF. 3 BT r/m, imm8: 0F BA /4 ib: BTS r/m, r: 0F AB /r: Bit Test-and-set. [a] [b] Second operand specifies which bit of the first operand to test and set. BTS r/m, imm8: 0F BA /5 ib: BTR r/m, r: 0F B3 /r: Bit Test and Reset. [a] [b] Second operand specifies which bit of the first operand to test and clear. BTR ...

  5. HLT (x86 instruction) - Wikipedia

    en.wikipedia.org/wiki/HLT_(x86_instruction)

    In the x86 computer architecture, HLT (halt) is an assembly language instruction which halts the central processing unit (CPU) until the next external interrupt is fired. [1] Interrupts are signals sent by hardware devices to the CPU alerting it that an event occurred to which it should react.

  6. ACPI - Wikipedia

    en.wikipedia.org/wiki/ACPI

    Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.

  7. i386 - Wikipedia

    en.wikipedia.org/wiki/I386

    Intel A80386DX-20 CPU die image. The Intel 386, originally released as the 80386 and later renamed i386, is the third-generation x86 architecture microprocessor from Intel.It was the first 32-bit processor in the line, making it a significant evolution in the x86 architecture.

  8. Comparison of instruction set architectures - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_instruction...

    Computer architectures are often described as n-bit architectures. In the first 3 ⁄ 4 of the 20th century, n is often 12, 18, 24, 30, 36, 48 or 60.In the last 1 ⁄ 3 of the 20th century, n is often 8, 16, or 32, and in the 21st century, n is often 16, 32 or 64, but other sizes have been used (including 6, 39, 128).

  9. List of computer system emulators - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_system...

    Cross-platform/POSIX API: binary for 32-bit Raspberry Pi 4/400 GPL3: ee9 V11 May 15, 2024: English Electric KDF9: Cross-platform/POSIX API: binaries for 64-bit Raspberry Pi 4/400, Intel macOS Mojave through Sonoma, ARM macOS Sonoma, and 64-bit Intel Linux (also runs under FreeBSD and Windows 10/Windows 11 with WSL). Includes a Pascal cross ...