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Central processing unit

A central processing unit (CPU), also known as a central processor, main processor, or simply processor, is the primary 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.

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Overview

History

Operation

Structure and implementation

Privileged modes

Performance

Overclocking

Errors

  • Test Integrated circuit testing

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Map overview Semantic statistics

Central processing unit

Nodes266
Edges265
Triples94
Avg. degree1.99
Density0.007519
Components1

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Central processing unit

Top relations

related to history · 23
Central processing unit → August, CPU, CPUs, Early, EDVAC, ENIAC, First Draft, It, John, John Presper Eckert, John William Mauchly's ENIAC, June, Manchester Baby, Manchester Mark, Neumann, Neumann's, On June, Report, Significantly, Since
related to Cache · 22
Central processing unit → Almost, An L4, At, CPU, CPUs, DRAM, Each, Every, L1, L1d, L1i, L2, L3, L4, Most, Most CPUs, SRAM, That, The, The L2
related to Microprocessors · 16
Central processing unit → Additionally, Combined, CPU, CPUs, IC, ICs, Intel, Mainframe, Microprocessors, Moore's, Previous, Several CPUs, Since, The, The Intel, This
related to Privileged modes · 4
Central processing unit → Cloud, CPUs, Most, VPS

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Important terminology

cpu cpus instruction memory data instructions clock one computer performance processor operation unit used processors modern also execution number design

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
graphics processing unitsinstance ofand specialized coprocessors0.80text
the ENIAC had to be physically rewired to perform different tasksinstance ofHistoryEarly computers0.80text
which caused these machines to be calledinstance ofHistoryEarly computers0.80text
EDVAC tended to average eight hours between failuresinstance ofVacuum-tube computers0.80text
whereas relay computersinstance ofVacuum-tube computers0.80text
NOR gates were miniaturized into ICsinstance ofonly very basic non-specialized digital circuits0.80text
Datapoint continued to build processors out of TTL chips until the early 1980sinstance ofa few companies0.80text
the quantum computerinstance ofThese newer concerns are among the many factors causing researchers to investigate new methods of computing0.80text
as well as to expand the use of parallelisminstance ofThese newer concerns are among the many factors causing researchers to investigate new methods of computing0.80text
other methods that extend the usefulness of the classical von Neumann modelinstance ofThese newer concerns are among the many factors causing researchers to investigate new methods of computing0.80text
bi-quinary coded decimalinstance ofand others have employed more unusual representations0.80text
video creation softwareinstance ofespecially in highly monotonous program engines0.80text

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