COMPUTER SCIENCE AND ENGINEERING
ALGORITHMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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False
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True
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Either A or B
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None of the above
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Detailed explanation-1: -A variable’s value can undoubtedly change while the application is executing. Because its value fluctuates, it is considered a variable rather than a constant.
Detailed explanation-2: -Overview. A constant is a value that cannot be altered by the program during normal execution, i.e., the value is constant.
Detailed explanation-3: -It’s very common to have variables change their values. In fact that is why we refer to them as variable . They are subject to change. The only ones that cannot be changed are constants.
Detailed explanation-4: -Variables can change during runtime while named constants cannot.
Detailed explanation-5: -Variable values can change throughout a program. If no variable with the specified name has been created, this block can create a new named variable with the given value. If the variable already exists, its new value will replace its old value.