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Cast implicito ed esplicito nel linguaggio di programmazione C

Quiz by ALESSANDRA PROTA

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7 questions
Show answers
  • Q1
    What is the casting method used to convert a float to an integer in C?
    int()
    float()
    char()
    double()
    30s
  • Q2
    What is the casting method used to convert an integer to a float in C?
    char()
    float()
    double()
    int()
    30s
  • Q3
    What is the difference between implicit and explicit casting in C?
    Implicit casting is done by the compiler automatically, while explicit casting is done by the programmer.
    Implicit casting requires the use of the 'cast' keyword, while explicit casting does not.
    Implicit casting converts data types without losing precision, while explicit casting may result in loss of precision.
    Implicit casting is done by the programmer, while explicit casting is done by the compiler.
    Implicit casting is used for converting integers, while explicit casting is used for converting floats.
    30s
  • Q4
    What is the result of the following expression in C? '5 + 3 * 2 / 2'
    6
    10
    8
    7
    30s
  • Q5
    How do you explicitly cast a variable to a different data type in C?
    Using type name followed by the variable in parentheses
    Using the 'cast' keyword followed by the variable in parentheses
    By using the 'convert' function
    By adding a suffix to the variable name
    30s
  • Q6
    Which type of casting in C may result in a loss of data?
    Static casting
    Dynamic casting
    Explicit casting
    Implicit casting
    30s
  • Q7
    What is the purpose of casting in C?
    To declare a function
    To convert one data type into another
    To define a new variable
    To add two variables together
    30s

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