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41. Which of the following comments about wide characters is/are true?
it is binary representation of a character in the extended binary set
it is of integer type wchar_t
end of file is represented by WEOF
All of the above
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42. Which of the following is true of external variables?
they provide a way for two way communication between functions
their scope extends from the point of definition through the remainder of the program
if they are not initialized, they will be initialised to zero
43. Choose the correct statements
Address is the numeric value associated with a memory location
Two variables can have the same address
Value of a variable can be an address
44. The declaration int x : 4; means
x is a four digit integer
x cannot be greater than a four digit integer
x is a four-bit integer
none of above
45. As soon as a pointer variable is freed, its value
is set to null
becomes unpredictable
is set to 1
remains the same
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