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In computing, input/output (I/O, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation.

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rdf:type	agent
rdfs:label	Input/output (en)
rdfs:comment	In computing, input/output (I/O, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. (en)
sameAs	Input/output Input/output Input/output
dbp:wikiPageUsesTemplate	dbt:Clarify dbt:Commonscatinline dbt:More_citations_needed dbt:Redirects_here dbt:Reflist dbt:Short_description dbt:Vanchor
Subject	Input/output
gold:hypernym	Communication
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Input/output?oldid=1070433236&ns=0
Wikipage page ID	22393474 (xsd:integer)
page length (characters) of wiki page	7900 (xsd:nonNegativeInteger)
Wikipage revision ID	1070433236 (xsd:integer)
Link from a Wikipage to another Wikipage	Printer (computing) ALGOL 68 Asynchronous I/O Unix Bus (computing) C++ C (programming language) C file input/output C standard library Central processing unit Input/output Direct memory access Disk storage Channel I/O Human–computer interaction Primitive data type Purely functional programming Computer Computer data storage Computer file Computer hardware Computer keyboard Computer monitor Computer mouse Computer programming Computing Operating system Output device Data (computing) Data processing I/O bound I/O scheduling Device driver External memory algorithm Handshaking Information Input device Instruction set architecture Interrupt Modem Monad (functional programming) User (computing) Stream (computer science) Memory-mapped I/O Network interface controller Side effect (computer science)
has abstract	In computing, input/output (I/O, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. The designation of a device as either input or output depends on perspective. Mice and keyboards take physical movements that the human user outputs and convert them into input signals that a computer can understand; the output from these devices is the computer's input. Similarly, printers and monitors take signals that computers output as input, and they convert these signals into a representation that human users can understand. From the human user's perspective, the process of reading or seeing these representations is receiving output; this type of interaction between computers and humans is studied in the field of human–computer interaction. A further complication is that a device traditionally considered an input device, e.g., card reader, keyboard, may accept control commands to, e.g., select stacker, display keyboard lights, while a device traditionally considered as an output device may provide status data, e.g., low toner, out of paper, paper jam. In computer architecture, the combination of the CPU and main memory, to which the CPU can read or write directly using individual instructions, is considered the brain of a computer. Any transfer of information to or from the CPU/memory combo, for example by reading data from a disk drive, is considered I/O. The CPU and its supporting circuitry may provide memory-mapped I/O that is used in low-level computer programming, such as in the implementation of device drivers, or may provide access to I/O channels. An I/O algorithm is one designed to exploit locality and perform efficiently when exchanging data with a secondary storage device, such as a disk drive. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Input/output
is Wikipage redirect of	Output (computing) Quasi-bidirectional I/O Input-output Input/Output Input data Input–output User input File io Read/write channel Input-output device Input/Output Device Input/output processing Input and output Input and output devices Input output I/O I/O device I/O hardware I/O interface I/O operation I/O software I/o IO priority Transput
is Link from a Wikipage to another Wikipage of	Floppy-disk controller Folder redirection Forward compatibility Forza Horizon 3 Green threads Greg Kroah-Hartman List of technology terms Load (computing) Mach (kernel)

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