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46. The delete operator returns ______ to the operating system

A. memory that is no longer needed
B. void
C. recycle bin
D. None of the above

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47. The major advantage of data hiding is that _____

A. your programs can include more data
B. you no longer need functions
C. no one can ever use your data
D. your data will be used correctly

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48. The letter V is a _____

A. character literal constant
A. numeric literal constant
C. string literal constant
D. variable

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49. Separating parts of a program into units that remain unaffected by other parts of a program is the concept known as _____

A. intrusion
B. volatility
C. encapsulation
D. protection

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