![]() The latter contains the actual code of the procedures and methods described in the interface, as well as other "private" variables, procedures, etc. The interface of a software module A is deliberately defined separately from the implementation of that module. Sometimes, public variables are also defined as part of an interface. Interfaces between software components can provide constants, data types, types of procedures, exception specifications, and method signatures. Software interfaces provide access to computer resources (such as memory, CPU, storage, etc.) of the underlying computer system direct access (i.e., not through well-designed interfaces) to such resources by software can have major ramifications-sometimes disastrous ones-for functionality and stability. In practice Ī key principle of design is to prohibit access to all resources by default, allowing access only through well-defined entry points, i.e., interfaces. In object oriented programs, objects within an application may need to interact via methods. Applications or programs running on the operating system may need to interact via data streams, filters, and pipelines. For example, an operating system may interface with pieces of hardware. See also: Application binary interface and Application programming interfaceĪ software interface may refer to a wide range of different types of interface at different "levels". Hardware interfaces Hardware interfaces of a Laptop computer: Ethernet network socket (center), to the left a part of the VGA port, to the right (upper) a display port socket, to the right (lower) a USB-B socket. Some computer hardware devices, such as a touchscreen, can both send and receive data through the interface, while others such as a mouse or microphone may only provide an interface to send data to a given system. ![]() The exchange can be between software, computer hardware, peripheral devices, humans, and combinations of these. In computing, an interface is a shared boundary across which two or more separate components of a computer system exchange information. JSTOR ( May 2010) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Interface" computing – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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