instruction decoder - определение. Что такое instruction decoder
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Что (кто) такое instruction decoder - определение

ELECTRONIC CIRCUITRY WITHIN A COMPUTER THAT CARRIES OUT THE INSTRUCTIONS OF A COMPUTER PROGRAM BY PERFORMING THE BASIC ARITHMETIC, LOGICAL, CONTROL AND INPUT/OUTPUT (I/O) OPERATIONS SPECIFIED BY THE INSTRUCTIONS AND COORDINATES THE OTHER COMPONENTS
Central Processing Unit; Cpu; CPUs; Processors; Central processing units; Personal computer Central Processing Unit; CPU (computer); Processor core; Master control processor; CPU bandwidth; Main processor; Computer processing chip; Central processor; Central processor unit; Central Processor Unit; Processor units; Central Processing unit; CPU; Logical processor; Instruction decoder; Discrete processor; Performance Counter Monitor; Performance counter monitor; Central-processing unit; VCPU; Virtual CPU
  • Block diagram of a basic uniprocessor-CPU computer. Black lines indicate data flow, whereas red lines indicate control flow; arrows indicate flow directions.
  • Symbolic representation of an ALU and its input and output signals
  • A six-bit word containing the binary encoded representation of decimal value 40. Most modern CPUs employ word sizes that are a power of two, for example 8, 16, 32 or 64 bits.
  • Fujitsu board with SPARC64 VIIIfx processors
  • [[EDVAC]], one of the first stored-program computers
  • Basic five-stage pipeline. In the best case scenario, this pipeline can sustain a completion rate of one instruction per clock cycle.
  • IBM PowerPC 604e processor
  • Inside of a laptop, with the CPU removed from socket
  • Model of a subscalar CPU, in which it takes fifteen clock cycles to complete three instructions
  • core memory]] and [[external bus]] interface of a DEC [[PDP-8]]/I, made of medium-scale integrated circuits
  • A simple superscalar pipeline. By fetching and dispatching two instructions at a time, a maximum of two instructions per clock cycle can be completed.

Unified Video Decoder         
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BRAND OWNED BY ADVANCED MICRO DEVICES
Universial Video Decoder; UVD; Universal Video Decoder; UVD2
Unified Video Decoder (UVD, previously called Universal Video Decoder) is the name given to AMD's dedicated video decoding ASIC. There are multiple versions implementing a multitude of video codecs, such as H.
Binary decoder         
  • A 2-to-4 line decoder
DEVICE WHICH REVERSES THE OPERATION OF AN ENCODER
Priority decoder; Digital decoder; Line decoder
In digital electronics, a binary decoder is a combinational logic circuit that converts binary information from the n coded inputs to a maximum of 2n unique outputs. They are used in a wide variety of applications, including instruction decoding, data multiplexing and data demultiplexing, seven segment displays, and as address decoders for memory and port-mapped I/O.
decoder         
WIKIMEDIA DISAMBIGUATION PAGE
Decoders; Decoder circuit; Decoder (disambiguation)
(decoders)
A decoder is a device used to decode messages or signals sent in code, for example the television signals from a satellite.
N-COUNT

Википедия

Central processing unit

A central processing unit (CPU), also called a central processor or main processor, is the most important processor in a given computer. Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. This role contrasts with that of external components, such as main memory and I/O circuitry, and specialized coprocessors such as graphics processing units (GPUs).

The form, design, and implementation of CPUs have changed over time, but their fundamental operation remains almost unchanged. Principal components of a CPU include the arithmetic–logic unit (ALU) that performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit that orchestrates the fetching (from memory), decoding and execution (of instructions) by directing the coordinated operations of the ALU, registers and other components.

Most modern CPUs are implemented on integrated circuit (IC) microprocessors, with one or more CPUs on a single IC chip. Microprocessor chips with multiple CPUs are multi-core processors. The individual physical CPUs, processor cores, can also be multithreaded to create additional virtual or logical CPUs.

An IC that contains a CPU may also contain memory, peripheral interfaces, and other components of a computer; such integrated devices are variously called microcontrollers or systems on a chip (SoC).

Array processors or vector processors have multiple processors that operate in parallel, with no unit considered central. Virtual CPUs are an abstraction of dynamical aggregated computational resources.