C++ Type Checking Question:
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Tell me What is when is dynamic checking necessary?

Answer:

Dynamic checking is necessary in the following scenarios:

► Whenever the definition of a variable is not necessary before its usage.
► When implicit conversion of variables into other types.
► When the program is to be compiled independently as there is no type checking at compile time.

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What is dynamic type checking?How many characters are specified in the ASCII scheme?
a) 64
b) 128
c) 256
d) none of the mentioned?