Yes, you can use boolean searches on WikiAnswers. From the No Stupid Answer blog:
Typing: "new car" will search for the exact match of the whole string "new car" (like Google does)… Next: "new" "car" will search for any question that contains both "new" AND "car" (regardless of whether they appear next to each other or in that order), but any question that contains only one of these words will not be in the results list… You can combine this search with a some kind of OR-based search… For example: "general motors" vehicle will search for the whole string "general motors" and also for the word "vehicle". Results that contain the word "vehicle" will come first, but if the word "vehicle" is not found, you'll still see results for "general motors"… And this query is more complicated: "car" "Ford" new It will search for the questions that contain both "car" and "ford" and may also contain the word "new". Results that contain the word "new" will come first, but if the word "new" is not found, you'll still see results for "car" AND "ford"… And of course you can use the old OR-based search just by typing: new car And this will give you all the questions with at least one of the words (while the questions that contain BOTH words will come first in the list). So, in short: putting a word or a search term into quotes makes the search term mandatory, while any unquoted word stays optional (but the results containing the most optional words will come first in the search results list)…"
because its a more specific way and easy
Yes - If you are a registered user of WikiAnswers you can use your "Watchlist" for this function.
It like a vendiograme that you learn about in English, it is a easier way to searchthings on the computer. the words you use are AND, NOT, and OR.
Boolean Algebra is the study of the algebra of logic whilst Mathematical logic is a way of applying Boolean algebra. Other applications include set theory, digital logic and probability.
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Through Boolean algebra simplification, a Boolean expression is translated to another form with less number of terms and operations. A logic circuit for the simplified Boolean expression performs the identical function with fewer logic components as compared to its original form.
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A Karnaugh map is a graphical method used to simplify Boolean algebra expressions. It helps in minimizing the number of logic gates required for a given logic function by identifying patterns and grouping terms. Karnaugh maps are especially useful for functions with up to four variables.
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