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2) If the arguments passed to a function call are such that the first and the third arguments are integers while the second one is real, the type expression for the argument list can be
a) Integer X Integer X Real b) Real X Integer X Integer c) Integer X Real X Integer d) None of the other options
7) Most programming languages are weakly typed since
a) Such languages put less constraints on the programmer b) Some type errors can be caught dynamically c) Both of the other options d) None of the other options
10) The type expression (Integer X Real) → (Integer Real) corresponds to
a) A function that takes an integer and a real as arguments and returns an integer and a real b) A function that takes an integer and a real as arguments and returns a real c) A function that takes an integer and a real as arguments and returns an integer d) A function that takes an integer and a real as arguments and returns a function that takes an integer and returns a real
11) Type inference in programming languages refers to:
a) Explicitly specifying types for all variables b) Automatically deducing the type of an expression at compile-time c) Checking types dynamically during runtime d) Ignoring type checking in a program
12) Which of the following statements about type conversion is TRUE?
a) Implicit type conversion always results in data loss b) Explicit type conversion is also called type coercion c) Implicit type conversion is performed automatically by the compiler d) Both (b) and (c)
13) Dynamic type checking is necessary in languages that:
a) Perform all type checking at compile-time b) Allow variables to change their type during execution c) Do not support type inference d) Have a very strict static type system
