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Variables y
Constantes
Erick Emmanuel Salvatierra Zuñiga.
6 “A”
Que es una Variable
• Una variable es un símbolo que representa un elemento no
especificado de un conjunto dado. Dicho conjunto es llamado
conjunto universal de la variable, universo o dominio de la
variable, y cada elemento del conjunto es un valor de la
variable.
Ejemplos de variables
• Tipo Descripción Bits Rango de valores Alias
• SByte Bytes con signo 8 [-128, 127] sbyte
• Byte Bytes sin signo 8 [0, 255] byte
• Int16 Enteros cortos con signo 16 [-32.768, 32.767] short
• UInt16 Enteros cortos sin signo 16 [0, 65.535] ushort
• Int32 Enteros normales 32 [-2.147.483.648, 2.147.483.647] int
• UInt32 Enteros normales sin signo 32 [0, 4.294.967.295] uint
Que es una Constante
• Una constante es un valor de tipo permanente, que no puede
modificarse, al menos no dentro del contexto o situación para
el cual está previsto. Suele relacionarse y usarse en
combinación con las variables, que si admiten modificación en
sus valores.
Ejemplos de Constantes
• Tipo de datos Carácter de inclusión Carácter de tipo anexado
• Boolean (ninguna)(ninguna)
• Byte (ninguna)(ninguna)
• Char " C
• Date # (ninguna)
• Decimal (ninguna)D o @
• Double (ninguna)R o #

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Vari ables erick

  • 1. Variables y Constantes Erick Emmanuel Salvatierra Zuñiga. 6 “A”
  • 2. Que es una Variable • Una variable es un símbolo que representa un elemento no especificado de un conjunto dado. Dicho conjunto es llamado conjunto universal de la variable, universo o dominio de la variable, y cada elemento del conjunto es un valor de la variable.
  • 3. Ejemplos de variables • Tipo Descripción Bits Rango de valores Alias • SByte Bytes con signo 8 [-128, 127] sbyte • Byte Bytes sin signo 8 [0, 255] byte • Int16 Enteros cortos con signo 16 [-32.768, 32.767] short • UInt16 Enteros cortos sin signo 16 [0, 65.535] ushort • Int32 Enteros normales 32 [-2.147.483.648, 2.147.483.647] int • UInt32 Enteros normales sin signo 32 [0, 4.294.967.295] uint
  • 4. Que es una Constante • Una constante es un valor de tipo permanente, que no puede modificarse, al menos no dentro del contexto o situación para el cual está previsto. Suele relacionarse y usarse en combinación con las variables, que si admiten modificación en sus valores.
  • 5. Ejemplos de Constantes • Tipo de datos Carácter de inclusión Carácter de tipo anexado • Boolean (ninguna)(ninguna) • Byte (ninguna)(ninguna) • Char " C • Date # (ninguna) • Decimal (ninguna)D o @ • Double (ninguna)R o #