(1) In command-driven interfaces, an option is an addition to a command that changes or refines the command in a specified manner. As the term implies, options are just that — they are not required.
In the DOS operating system, options are preceded by a slash (/). For example the DIR command supports the /P option, which causes the system to pause between screenfuls of data. Other operating systems and applications have different rules for specifying options.
Other words for option are switch and parameter.
(2) In graphical user interfaces, an option is a choice in a menu or dialog box.
A field of technology that combines the physics of light with electricity. Optoelectronics encompasses the study, design and manufacture of hardware devices that convert electrical signals into photon signals and vice versa. Any device that operates as an electrical-to-optical or optical-to-electrical transducer is considered an optoelectronic device. Optoelectronic technologies include fiber optic communications, laser systems, […]
)See under landscape and portrait.
In word processing, an orphan is the first line of a paragraph that appears as the last line of a page, or the last line of a paragraph that appears as the first line of a page (this is sometimes called a widow). Orphans are considered bad form in page layout, so most word processors […]
- orphan file
A file that no longer has a purpose. For example, when you uninstall an application, a few files that make up the application, or were generated by the application, may remain on your hard disk. These are orphan files since they serve no purpose without the application. In general, you can delete orphan files, but […]
- oscillator clock
A circuit within a computer that creates a series of pulses that pace the computer’s electronic system. The oscillator clock synchronizes, paces and coordinates the operations of the computer’s circuit.