A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra, boolean functions, and propositional calculus—to compute the functional values of logical expressions on each of their functional arguments, that is, on each combination of values taken by their logical variables (Enderton, 2001). In particular, truth tables can be used to tell whether a propositional expression is true for all legitimate input values, that is, logically valid.
To determine the total number of possible permutations, of
n given inputs, You'll need 2^n input combinations to test.
Please be aware in the video below they use specific symbols for logic symbols. The IB DOES NOT REQUIRE YOU TO USE SPECIFIC SYMBOLS. You can just draw a circle with the word AND or OR or NOT, etc...
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- Define the Boolean operators: AND, OR, NOT, NAND, NOR and XOR.
- Construct truth tables using the above operators.
- Construct a logic diagram using AND, OR, NOT, NAND, NOR and XOR gates.
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Obtain the only possible answer.
A unit of abstract mathematical system subject to the laws of arithmetic.
Represent by means of a labelled, accurate diagram or graph, using a pencil. A ruler (straight edge) should be used for straight lines. Diagrams should be drawn to scale. Graphs should have points correctly plotted (if appropriate) and joined in a straight line or smooth curve.
Give the precise meaning of a word, phrase, concept or physical quantity.
Develop information in a diagrammatic or logical form.