The instruction unit (I-unit or IU), also called, e.g., instruction fetch unit (IFU), instruction issue unit (IIU), instruction sequencing unit (ISU)...
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The instruction cycle (also known as the fetch–decode–execute cycle, or simply the fetch–execute cycle) is the cycle that the central processing unit (CPU)...
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ALU operations, and a control unit that orchestrates the fetching (from memory), decoding and execution (of instructions) by directing the coordinated...
101 KB (11,429 words) - 06:34, 17 June 2025
computers. A device or program that executes instructions described by that ISA, such as a central processing unit (CPU), is called an implementation of that...
35 KB (4,329 words) - 14:46, 11 June 2025
the 1970s. The unit was usurped by the Critical Incident Response Group (CIRG) and renamed the Behavioral Research and Instruction Unit (BRIU) and currently...
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Program counter (redirect from Instruction pointer)
sections. Branch prediction Instruction cache Instruction cycle Instruction unit Instruction pipeline Instruction register Instruction scheduling Program status...
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execution unit (E-unit or EU) is a part of a processing unit that performs the operations and calculations forwarded from the instruction unit. It may have...
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some instruction by dividing incoming instructions into a series of sequential steps (the eponymous "pipeline") performed by different processor units with...
21 KB (2,571 words) - 08:41, 25 May 2025
In computing, an arithmetic logic unit (ALU) is a combinational digital circuit that performs arithmetic and bitwise operations on integer binary numbers...
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convert coded instructions into timing and control signals that direct the operation of the other units (memory, arithmetic logic unit and input and output...
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Defence Survive, Evade, Resist, Extract Training Organisation (redirect from Survival and Rescue Mobile Instruction Unit)
in April 1949, but was replaced by the Survival and Rescue Mobile Instruction Unit (SRMIU), again at Thorney Island, in January 1950. The SRMIU would...
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CPU cache (redirect from Instruction cache)
memory management unit (MMU) and not directly related to the CPU caches. Instruction cache MicroOp-cache Branch target buffer Instruction cache (I-cache)...
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Opcode (redirect from Instruction code)
hardware devices such as arithmetic logic units (ALUs), central processing units (CPUs), and software instruction sets. In ALUs, the opcode is directly applied...
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instructions in parallel by using multiple execution units, whereas the latter (pipeline) executes multiple instructions in the same execution unit in...
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In computer science, instruction scheduling is a compiler optimization used to improve instruction-level parallelism, which improves performance on machines...
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computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU's control unit that holds the instruction currently being...
2 KB (239 words) - 08:51, 12 February 2024
Hazard (computer architecture) (category Instruction processing)
central processing unit (CPU) design, hazards are problems with the instruction pipeline in CPU microarchitectures when the next instruction cannot execute...
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(SR research and tractor units) Class 933 (SR mobile instruction units) Class 935 (4PEP research units) Class 936 (Sandite units, ex-Classes 311 and 501)...
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Vector processor (redirect from Vector processing unit)
array processor is a central processing unit (CPU) that implements an instruction set where its instructions are designed to operate efficiently and effectively...
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Minimal instruction set computer (MISC) is a central processing unit (CPU) architecture, usually in the form of a microprocessor, with a very small number...
12 KB (1,412 words) - 10:29, 27 May 2025
Summative assessment (section Instructional design)
summative assessment is to evaluate student learning at the end of an instructional unit by comparing it against a standard or benchmark. Summative assessments...
6 KB (690 words) - 20:46, 26 March 2025
manages instruction fetch and instruction issue Saturn V instrument unit, a guidance system for the Saturn V rocket International unit, a unit for biological...
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Machine code (redirect from Machine instruction)
code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). For conventional binary computers...
34 KB (3,555 words) - 23:43, 19 June 2025
specify instructions to execute in parallel, whereas conventional central processing units (CPUs) mostly allow programs to specify instructions to execute...
24 KB (3,038 words) - 22:21, 26 January 2025
commonly known as channels on mainframe computers, which execute their own instructions. Memory-mapped I/O uses the same address space to address both main memory...
17 KB (2,288 words) - 01:44, 18 November 2024
The x86 instruction set refers to the set of instructions that x86-compatible microprocessors support. The instructions are usually part of an executable...
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Out-of-order execution (redirect from Instruction dispatch)
dynamic execution) is an instruction scheduling paradigm used in high-performance central processing units to make use of instruction cycles that would otherwise...
36 KB (4,220 words) - 20:15, 19 June 2025
The ARM Cortex-A78 is a central processing unit implementing the ARMv8.2-A 64-bit instruction set designed by ARM Ltd.'s Austin centre.[failed verification]...
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Thematic learning (redirect from Thematic Instruction)
teaching (also known as thematic instruction) is the selecting and highlighting of a theme through an instructional unit or module, course, or multiple...
9 KB (1,010 words) - 13:11, 28 February 2024
Branch predictor (redirect from Branch Predictor Unit)
definitively. The purpose of the branch predictor is to improve the flow in the instruction pipeline. Branch predictors play a critical role in achieving high performance...
40 KB (4,762 words) - 06:50, 30 May 2025