RISC II - определение. Что такое RISC II
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Что (кто) такое RISC II - определение

COMPUTER OPERATING SYSTEM
Riscos; Risc OS; RISC-OS; RISCOS; Acorn RISC OS
Найдено результатов: 7840
MIPS RISC/os         
DISCONTINUED UNIX OPERATING SYSTEM DEVELOPED BY MIPS COMPUTER SYSTEMS, INC
RiscOS; MIPS OS; UMIPS; RISC/os; RISCwindows
RISC/os is a discontinued UNIX operating system developed by MIPS Computer Systems, Inc. from 1985 to 1992, for their computer workstations and servers, including such models as the MIPS M/120 server and MIPS Magnum workstation.
RISCOS         
DISCONTINUED UNIX OPERATING SYSTEM DEVELOPED BY MIPS COMPUTER SYSTEMS, INC
RiscOS; MIPS OS; UMIPS; RISC/os; RISCwindows
RISC Operating System (Reference: MIPS, Acorn, OS), "Style: RISC OS"
RISC         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
WIKIMEDIA DISAMBIGUATION PAGE
Risc
Reduced Instruction Set Code (Reference: CPU)
RISC         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
WIKIMEDIA DISAMBIGUATION PAGE
Risc
RISC         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
WIKIMEDIA DISAMBIGUATION PAGE
Risc
Research Institute for Symbolic Computation (Reference: org., Oesterreich)
RISC         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
WIKIMEDIA DISAMBIGUATION PAGE
Risc
¦ noun [usu. as modifier] computers or computing based on a form of microprocessor designed to perform a limited set of operations extremely quickly.
Origin
1980s: acronym from reduced instruction set computer (or computing).
Berkeley RISC         
RESEARCH PROJECT INTO RISC-BASED MICROPROCESSOR DESIGN
UCB-RISC; UCB RISC
Berkeley RISC is one of two seminal research projects into reduced instruction set computer (RISC) based microprocessor design taking place under the Defense Advanced Research Projects Agency Very Large Scale Integration (VLSI) VLSI Project. RISC was led by David Patterson (who coined the term RISC) at the University of California, Berkeley between 1980 and 1984.
RISC OS         
<operating system> (Reduced Instruction Set Computer Operating System) The operating system originally developed by {Acorn Computers} for their Archimedes family of {personal computers}. RISC OS replaced the Arthur operating system used on the first Archimedeses. It is written in ARM assembly code and distributed on ROM so it takes up no disk space and takes no time to load. It supports cooperative multitasking with memory management and includes a graphical user interface or "WIMP". It is written in a highly modular style and makes extensive use of vectors so it is easy to modify and extend by loading new modules in RAM. Many system calls (called "SWIs" - software interrupts) are available to application programmers and some of these are available as user comands via a built-in command-line interpreter. RISC OS also supported {outline fonts} when only bitmap fonts were available on most other platforms. Following the virtual demise of Acorn, development of RISC OS 4 was taken over by RISCOS Ltd on 1999-03-05 and released on 1999-07-01. Latest version: 4.39, as of 2004-09-21. (2004-09-21)
Reduced Instruction Set Computer         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
PROCESSOR EXECUTING ONE INSTRUCTION IN MINIMAL CLOCK CYCLES
Reduced Instruction Set Computer; RISC processor; Reduced Instruction Set Code; Reduced Instruction Set Computing; RISC; RISC-based; RISC-based system; RISC System/6000 SP; Reduced instruction set; RISC architectures; RISC instruction set; RISC-based computer design approach; RISC principles; Reduced instruction set computing
<processor> (RISC) A processor whose design is based on the rapid execution of a sequence of simple instructions rather than on the provision of a large variety of complex instructions (as in a Complex Instruction Set Computer). Features which are generally found in RISC designs are uniform instruction encoding (e.g. the op-code is always in the same bit positions in each instruction which is always one word long), which allows faster decoding; a homogenous {register set}, allowing any register to be used in any context and simplifying compiler design; and simple addressing modes with more complex modes replaced by sequences of simple arithmetic instructions. Examples of (more or less) RISC processors are the {Berkeley RISC}, HP-PA, Clipper, i960, AMD 29000, MIPS R2000 and DEC Alpha. IBM's first RISC computer was the RT/PC (IBM 801), they now produce the RISC-based {RISC System/6000} and SP/2 lines. Despite Apple Computer's bogus claims for their PowerPC-based Macintoshes, the first RISC processor used in a personal computer was the Advanced RISC Machine (ARM) used in the Acorn Archimedes. (1997-06-03)
Reduced instruction set computer         
  • An IBM [[PowerPC 601]] RISC microprocessor
  • RISC-V prototype chip (2013).
PROCESSOR EXECUTING ONE INSTRUCTION IN MINIMAL CLOCK CYCLES
Reduced Instruction Set Computer; RISC processor; Reduced Instruction Set Code; Reduced Instruction Set Computing; RISC; RISC-based; RISC-based system; RISC System/6000 SP; Reduced instruction set; RISC architectures; RISC instruction set; RISC-based computer design approach; RISC principles; Reduced instruction set computing
In computer engineering, a reduced instruction set computer (RISC) is a computer designed to simplify the individual instructions given to the computer to accomplish tasks. Compared to the instructions given to a complex instruction set computer (CISC), a RISC computer might require more instructions (more code) in order to accomplish a task because the individual instructions are written in simpler code.

Википедия

RISC OS

RISC OS is a computer operating system originally designed by Acorn Computers Ltd in Cambridge, England. First released in 1987, it was designed to run on the ARM chipset, which Acorn had designed concurrently for use in its new line of Archimedes personal computers. RISC OS takes its name from the reduced instruction set computer (RISC) architecture it supports.

Between 1987 and 1998, RISC OS was included in every ARM-based Acorn computer model, including the Acorn Archimedes line, Acorn's R line (with RISC iX as a dual-boot option), RiscPC, A7000, and prototype models such as the Acorn NewsPad and Phoebe computer. A version of the OS, named NCOS, was used in Oracle Corporation's Network Computer and compatible systems.

After the break-up of Acorn in 1998, development of the OS was forked and continued separately by several companies, including RISCOS Ltd, Pace Micro Technology, and Castle Technology. Since then, it has been bundled with several ARM-based desktop computers such as the Iyonix PC and A9home. As of March 2017, the OS remains forked and is independently developed by RISCOS Ltd and the RISC OS Open community.

Most recent stable versions run on the ARMv3/ARMv4 RiscPC, the ARMv5 Iyonix, ARMv7 Cortex-A8 processors (such as that used in the BeagleBoard and Touch Book) and Cortex-A9 processors (such as that used in the PandaBoard) and the low-cost educational Raspberry Pi computer. SD card images have been released for downloading free of charge to Raspberry Pi 1, 2, 3, & 4 users with a full graphical user interface (GUI) version and a command-line interface only version (RISC OS Pico, at 3.8 MB).