X' all result in false. The logical operators and, or, nand, nor, xor, xnor and not take operands that must be Boolean values, and they produce Boolean results. Figure 2-3 shows the results produced by the binary logical operators. The result of the not... The Designer's Guide to VHDL - 43. lappuseautors: Peter J. Ashenden - 2001 - 759 lapasIerobežota priekšskatīšana - Par šo grāmatu
| Peter J. Ashenden - 1998 - 340 lapas
...456, 789 ps <= 789 ps, ' 1 ' > '0' all result in true, and the expressions 96 >= 1 02, 2 us < 4 ns, 'X' < 'X' all result in false. The logical operators...operand is false, and false if the operand is true. FIGURE 2-3 ABA and BA nand BA or BA nor BA xor BA xnor B false false false true false true false true... | |
| Eric Ladd - 2001 - 1468 lapas
...either operand is true. It returns false only when both operands are false. ! Logical NOT. Returns true if the operand is false and false if the operand is true. This is a unary operator and precedes the operand. Comparison Operators See Table A.5. (2|3|I)... | |
| M. Jaya Prasad - 2007 - 476 lapas
... The Logical OR operation is TRUE if any one of the operand is TRUE The Logical NOT operation is TRUE if the operand is FALSE and FALSE if the operand is TRUE. The truth table is given below. Table 3.10 Logical operators Note: T is TRUE and F is FALSE 1. Example... | |
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