All Computings

ARM
An ISA dervied from RISC in competition to x86-64 and commonly found in mobile applications Licensed architecture from ARM corporation, but ARM does not itself manufacture Examples include Exynos, Qualcomm, and Apple microprocessors Many general-purpose registers
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API
Represents a standard calling interface, for external programs/libraries/etc to make a call against E.g. A library (such as libc will outline a series of functions that a calling program can expect to find, along with the expected parameters (and parameter types) and return types
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apfs
The Apple Filesystem Replaces hfs+
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ACPI
Is the standard that governs hardware interactions on modern platforms Handles device discovery at boot time Handles power management Handles device plug-and-play Sets up devices, creates Memory Maps, and provides a device descriptor table to the host operating system (Differentiated System Description Table) Mostly only used by IBM-Compatible platforms Finding the Root System Descriptor Pointer (RSDP) Per ACPIv6....
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ABI
The data structure that outlines how two programs (e.g. a Binary and the operating system, or a Process and a Library) communicate with one another, including establishing Calling Conventions and System Calls...
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64-bit
https://wiki.osdev.org/Long_Mode
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32-bit
https://wiki.osdev.org/Protected_Mode
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16-bit
https://wiki.osdev.org/Real_Mode
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Resources https://github.com/php/php-src https://r00thunt.com/2015/10/02/in-depth-study-of-php-zend-engine-tsrm-algorithms/ Notes Interpreted PHP SAPI Private stack, common heap TSRM (Thread Safety Resource Management)
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