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x86-64 (also known as x64, x86_64, AMD64, and Intel 64) [note 1] is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a new 4-level paging mode.
18 Μαρ 2024 · We can understand 32 and 64-bit architectures as the amount of data that a CPU processes each time. The architecture defines, for instance, the total memory supported by a register at once. Also, it typically determines the size of the instruction set employed by a processor.
19 Ιουν 2015 · The theoretical memory limits in 16, 32 and 64 bit machines are as follows: 16 bit = 65,536 bytes (64 Kilobytes) 32 bit = 4,294,967,296 bytes (4 Gigabytes) 64 bit = 18,446,744,073,709,551,616 (16 Exabytes)
14 Ιουλ 2019 · "64 bit" means that addresses, memory, busses... everything is organized with 64 bits. x86 is an instruction set architecture, which defines the sets of commands available to the programmer.
Intel® 64 architecture expands addressable memory to over 4 GB by enabling 64-bit computing in embedded designs, improving performance.
6 ημέρες πριν · This volume describes the operating-system support environment of the IA-32 and Intel® 64 architectures, including memory management, protection, task management, interrupt and exception handling, and multi-processor support.
15 Δεκ 2023 · The X86-64 architecture is a 64-bit extension of the original x86 instruction set that has powered personal computers for decades. This architecture was designed to enhance the performance of processors while maintaining backward compatibility with x86 32-bit software.
