Which of the following statement(s) is/are NOT correct? Tick all correct answer(s). No partial marks and no negative marks.Select one or more:A variable must be declared before using itNested-if statements cannot check fractional values.Switch statement can only check the fractional values
Question
Which of the following statement(s) is/are NOT correct? Tick all correct answer(s). No partial marks and no negative marks.Select one or more:A variable must be declared before using itNested-if statements cannot check fractional values.Switch statement can only check the fractional values
Solution
The statements that are NOT correct are:
B. Nested-if statements cannot check fractional values. C. Switch statement can only check the fractional values.
Explanation:
A. This statement is correct. In most programming languages, a variable must be declared before using it. This is to let the compiler know what type of data the variable will hold and to allocate memory for it.
B. This statement is not correct. Nested-if statements can check fractional values. In programming, you can use conditions to check for any value, including fractional ones.
C. This statement is not correct. In many programming languages, switch statements cannot check fractional values. They are typically used with integer and character values.
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