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Which of the given statements is true regarding storage class in C?(1) It tells us where the variable is to be stored.(2) It tells us about the initial value of the variable.(3) It tells us about the scope of the variable.(4) It tells us about the life of variable.  Ops:   A. Only (1), (2) , (3) and(4)    B. Only (1) and (2)    C. Only (2) and (4)    D. Only (1), (2) and (3)

Question

Which of the given statements is true regarding storage class in C?(1) It tells us where the variable is to be stored.(2) It tells us about the initial value of the variable.(3) It tells us about the scope of the variable.(4) It tells us about the life of variable.  Ops:   A. Only (1), (2) , (3) and(4)    B. Only (1) and (2)    C. Only (2) and (4)    D. Only (1), (2) and (3)

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Solution

The correct answer is A. Only (1), (2) , (3) and(4).

In C programming, a storage class defines the scope (visibility), life-time (existence) and initial value of variables and/or functions within a C program.

  1. It tells us where the variable is to be stored: This is true. The storage class determines where the variable will be stored in memory.

  2. It tells us about the initial value of the variable: This is also true. Some storage classes in C will initialize variables to zero or null if no initial value is specified.

  3. It tells us about the scope of the variable: This is true. The storage class determines the scope of a variable, i.e., where the variable can be accessed from within the code.

  4. It tells us about the life of variable: This is true. The storage class determines the lifetime of a variable, i.e., when the variable is created and destroyed.

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