Q. What happens when a null pointer is converted into bool?

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Q. Which of the following statements are false ?

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Q. For what values of the expression is an if-statement block not executed?

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Q. Which of the two operators ++ and — work for the bool datatype in C++?

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Q. Evaluate the following
(false && true) || false || true

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Q. How many characters are specified in the ASCII scheme?

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Q. Select the right option.

Given the variables p, q are of char type and r, s, t are of int type
1. t = (r * s) / (r + s);
2. t = (p * q) / (r + s);

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Q. Which of the following belongs to the set of character types?

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Q. How do we represent a wide character of the form wchar_t?

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Q. In C++, what is the sign of character data type by default?

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Q. Is the size of character literals different in C and C++?

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Q. Suppose in a hypothetical machine, the size of char is 32 bits. What would sizeof(char) return?

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Q. What constant defined in <climits> header returns the number of bits in a char?

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Q. The size_t integer type in C++ is?

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Q. Which of these expressions will return true if the input integer v is a power of two?

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Q. Which of these expressions will make the rightmost set bit zero in an input integer x?

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Q. Which of these expressions will isolate the rightmost set bit?

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Q. 0946, 786427373824, ‘x’ and 0X2f are _____ _____ ____ and _____ literals respectively.

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Q. Which of the following is not one of the sizes of the floating point types?

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Q. Which of the following is a valid floating point literal?

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