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4. Which of the following are valid identifiers? short, mouse, $alpha, monitor, exam, return, _int, _xyz,...

4. Which of the following are valid identifiers?
short, mouse, $alpha, monitor, exam, return, _int, _xyz, 9bits
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Answer #1

short is not valid since it is keyword.

mouse is a valid.

$alpha is not valid since it starts from special symbol other than under score.

monitor is valid.

exam is valid.

return is not valid since it is keyword(reserved word)

_int is valid.

_xyz is valid

9bits is not valid since starts from digit.

//If you need any help regarding this solution ......... please leave a comment.......... thanks...

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4. Which of the following are valid identifiers? short, mouse, $alpha, monitor, exam, return, _int, _xyz,...
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