题目内容

A local variable that is declared as ____ causes the program to keep the variable and its latest value even when the function that declared it is through executing

A. auto
B. static
C. extern
D. register

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____ variables have the same time duration as automatic variables.

A. Static
B. Register
C. Extern
D. Global

____ is a high-speed storage area physically located in the computer’s processing unit.

A reserved variable
B. RAM
C. A register
D. A stack

____ variables may be declared as members of the static or extern storage class.

A. Local
B. Global
C. Automatic
D. Register

The purpose of the ____ storage class is to extend the scope of a global variable declared in one source code file into another source code file.

A. auto
B. static
C. extern
D. register

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