Sesion_02.ppt - Sesin 2 Circuitos Digitales Nmeros binarios...

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Sesión 2 Circuitos Digitales
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Números binarios A cada uno de los 0, 1 se les llama dígito binario ( BI NARY DIGI T ). BIT. Con n bits se pueden representar 2 n números distintos. Ejemplo n = 3. 000, 001, 010, 011, 100, 101, 110, 111 que representan los números del 0 a 7. Desde 0 hasta 2 n-1 .
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Números binarios 2 8 =256 2 9 =512 2 10 =1024=1k 2 20 =1.048.576=1M 2 30 =1.073.741.824=1G 4 bits= 1 nibble 16 bits=WORD 8 bits= 1 byte 32 bits=DWORD
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Conversión de Fracciones Decimales a Binario El número decimal se multiplica por 2, Se toma la parte entera La parte fraccional se emplea para la siguiente multiplicación Continúe hasta que la parte fraccional se vuelva cero o maneje un error moderado. Pasar 25,4 a binario: 25=11001 2 0,4x2= 0 ,8; 0,8x2= 1 ,6 0,6x2= 1 ,2 0,2x2= 0 ,4 ,4x2= 0 ,8 y se repite. 25,4 = 11001, 0110 0110 0110 0110 .
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0.011 2 = 0x2 -1 + 1x2 -2 + 1x2 -3 = 0 + 0.25 + 0.125 = 0.375 10 0.101 2 = 1x 2 -1 + 0x 2 -2 + 1 x 2 -3 = 0.5 + 0 + 0.125 = 0.625 10 110.010 2 =1x2 2 + 1x2 1 + 0x2 0 + 0 x 2 -1 + 1 x 2 -2 + 0 x 2 -3 = 6.25 10 Conversión de Fracciones Binarias a decimal
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Aritmética Binaria Suma Efectuar la suma de 011110 y 101010.
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