In communications, error detection refers to a class of techniques for detecting garbled messages. Two of the simplest and most common techniques are called checksum and CRC. More sophisticated strategies include MNP and CCITT V.42 .
- escape character
A special character that can have many different functions. It is often used to abort the current command and return to a previous place in the program. It is also used to send special instructions to printers and other devices. An escape character is generated with the Escape key, a special key that exists on […]
- escape sequence
A sequence of special characters that sends a command to a device or program. Typically, an escape sequence begins with an escape character, but this is not universally true.
- even header
In word processing, a header that appears only on even-numbered pages.
- even parity
Refers to the parity-checking mode in which each set of transmitted bits must have an even number of set bits. The parity checking system on the sending side ensures even parity by setting the extra parity bit if necessary.
(1) An action or occurrence detected by a program. Events can be user actions, such as clicking a mouse button or pressing a key, or system occurrences, such as running out of memory. Most modern applications, particularly those that run in Macintosh and Windows environments, are said to be event-driven, because they are designed to […]