Input is the term denoting either an entrance or changes which are inserted into a system and which activate/modify a process. It is an abstract concept, used in the modeling, system(s) design and system(s) exploitation. It is usually connected with other terms, e.g., input field, input variable, input parameter, input value, input signal, input port, input device and input file (file format).
Input may refer to:
- Advice (opinion), an opinion or recommendation offered as a guide to action, conduct
- Information, any data entered into a computer or data processing system, see input output
- The act of entering data into a computer or data processing system (see Input/output)
- Input device, any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system (such as a computer)
- Stimulus (physiology), a detectable change in the environment that influences an activity of an organism
- Power consumption, an amount of power used by a system
- International Public Television Screening Conference, an international public television organization
- In economics, a factor of production, a resource employed to produce goods and services
See also [link]
- Output
- Input/output
- Gross output
- [[Net output]
External links [link]
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- Definitions of input by the freedictionary.
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Factors of production
In economics, factors of production, resources, or inputs are what is used in the production process to produce output—that is, finished goods and services. The amounts of the various inputs used determine the quantity of output according to a relationship called the production function. There are three basic resources or factors of production: land, labour, and capital. These factors are also frequently labeled "producer goods" to distinguish them from the goods or services purchased by consumers, which are frequently labeled "consumer goods." All three of these are required in combination at a time to produce a commodity.
Factors of production may also refer specifically to the primary factors, which are land, labor (the ability to work), and capital goods applied to production. Materials and energy are considered secondary factors in classical economics because they are obtained from land, labour and capital. The primary factors facilitate production but neither become part of the product (as with raw materials) nor become significantly transformed by the production process (as with fuel used to power machinery). Land includes not only the site of production but natural resources above or below the soil. Recent usage has distinguished human capital (the stock of knowledge in the labor force) from labor. Entrepreneurship is also sometimes considered a factor of production. Sometimes the overall state of technology is described as a factor of production. The number and definition of factors varies, depending on theoretical purpose, empirical emphasis, or school of economics.
Input (computer science)
In computer science, the general meaning of input is to provide or give something to the computer, in other words the state/act of a computer, component of a computer or relevant device being accepting something from the user, from a device or from a piece of software either automatically or manually is called input.
We categorize computer devices as input devices because we use these devices to send instructions to the computer, we are sending our "Input" to the computer, some common examples of computer input devices are:
We may also call some inner parts of the computer as input components to the other components, like the power-on button of a computer is an input component for the processor or the power supply, because it takes user input and sends it to other components for further processing.
In many computer languages the keyword "input" is used as a special keyword or function, such as in Visual Basic or Python, the word "input" is used to get text input from the user.
