____ variables have the same time duration as automatic variables.
A. Static
B. Register
C. Extern
D. Global
查看答案
____ 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
The same variable name cannot be declared and used in more than one function.