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A checksum of a message is a modular arithmetic sum of message code words of a fixed word length (e.g., byte values). The sum may be negated by means of a ones'-complement operation prior to transmission to detect unintentional all-zero messages.
A misspelling should occur in Wikipedia at least once a year to be considered "common" and therefore have a place in this list. If you know a certain misspelling has not occurred in the past year, you should delete it from the list to reduce clutter and make the lists easier to use. When adding a misspelling, it is a good idea to also add all ...
This most often occurs when the word and neologistic paraphasia are in the same clause. Neologistic paraphasias have a less stringent relationship with the target word than phonological paraphasias – where a phonological paraphasia has more than half of the target word’s phonemes, a neologistic paraphasia has less than half.
When a finger is bigger than the touch zone, with touchscreens or keyboards, there can be inaccuracy and one may hit two keys in a single keystroke. An example is buckled instead of bucked , due to the "L" key being next to the "K" key on the QWERTY keyboard , the most common keyboard for Latin-script alphabets .
Stroop effect. Naming the displayed color of a printed word is an easier and quicker task if the word matches the color (top) than if it does not (bottom). In psychology, the Stroop effect is the delay in reaction time between congruent and incongruent stimuli. The effect has been used to create a psychological test (the Stroop test) that is ...
The OED says "In all senses, between has been, from its earliest appearance, extended to more than two". Chambers says "It is acceptable to use between with reference to more than two people or things", although does state that among may be more appropriate in some circumstances. Undisputed usage: I parked my car between the two telegraph poles.
Uncontrolled decompression. An uncontrolled decompression is an undesired drop in the pressure of a sealed system, such as a pressurised aircraft cabin or hyperbaric chamber, that typically results from human error, structural failure, or impact, causing the pressurised vessel to vent into its surroundings or fail to pressurize at all.
Type I and type II errors. In statistical hypothesis testing, a type I error, or a false positive, is the rejection of the null hypothesis when it is actually true. For example, an innocent person may be convicted. A type II error, or a false negative, is the failure to reject a null hypothesis that is actually false.